Myrddyn Phillips - Mapping Mountains: Mapping Mountains - Significant Name Changes - Y Trechol

Monday 15 May 2023

Mapping Mountains - Significant Name Changes - Y Trechol - The Dominant Hills of Wales

Y Trechol –The Dominant Hills of Wales – Significant Name Changes

Y Trechol –The Dominant Hills of Wales are the Welsh P30 hills whose prominence equal or exceed half that of their absolute height, accompanying the Dominant list is a sub list entitled The Lesser Dominant Hills of Wales with the criteria for this sub category being those additional Welsh P30 hills whose prominence is between one third and half that of their absolute height. The list commenced publication on Mapping Mountains on 03.012.15 with its Introduction giving details to its compilation and criteria, with Change Registers also created for the Dominant and the Lesser Dominant category.

The list is authored by Myrddyn Phillips and the posts that have appeared on Mapping Mountains detailing the significant name changes to the Dominant and Lesser Dominant list appear below presented chronologically in receding order.

Mapping Mountains - Significant Name Changes - Y Trechol - The Dominant Hills of Wales

Ffridd y Garn (SN 616 987) - 160th significant name change

There has been a Significant Name Change to a hill that is listed in the 100m Twmpau and Y Trechol – The Dominant Hills of Wales, with the summit height, bwlch height and their locations, the drop, dominance and status of the hill derived from LIDAR analysis conducted by Myrddyn Phillips.

LIDAR image of Ffridd y Garn (SN 616 987)

The criteria for the two listings that this name change applies to are:

100m Twmpau – Welsh hills at or above 100m and below 200m in height that have 30m minimum drop, with an accompanying sub list entitled the 100m Sub-Twmpau, with the criteria for this sub category being all Welsh hills at or above 100m and below 200m in height with 20m or more and below 30m of drop, with the word Twmpau being an acronym standing for thirty welsh metre prominences and upward.

100m Twmpau by Myrddyn Phillips

Y Trechol – The Dominant Hills of Wales – Welsh P30 hills whose prominence equal or exceed half that of their absolute height. With the criteria for Lesser Dominant status being those additional Welsh P30 hills whose prominence is between one third and half that of their absolute height. The list is authored by Myrddyn Phillips with the Introduction to the start of the Mapping Mountains publication of this list appearing on the 3^rd December 2015, and the list is now available in its entirety on Mapping Mountains in Google Doc format.

Y Trechol - The Dominant Hills of Wales by Myrddyn Phillips

The hill is adjoined to the Tarren y Gesail group of hills, which are situated in the south-western part of North Wales (Region A, Sub-Region A3), and it is positioned with a minor road to its north-east, and the A493 road to its west and south, and has the town of Tywyn towards the north-west.

When the original 100m height band of Welsh P30 hills were published on Geoff Crowder’s v-g.me website, this hill appeared under the transposed name of Llechwedd Melyn, which is a prominent name that appears near the summit on contemporary Ordnance Survey maps.

Llechwedd Melyn

196m

SN616988

135

Clem/Yeaman

During my early hill listing I thought it appropriate to either invent a name for a hill, or use a name that appeared near to the summit of the hill on Ordnance Survey maps of the day. My preference was to use farm names and put Pen, Bryn or Moel in front of them or as in this instance transpose a prominent name that appears near the summit on the contemporary Ordnance Survey 1:50,000 Landranger and 1:25,000 Explorer map. This is not a practice that I now advocate as with time and inclination place-name data can be improved either by asking local people or by examining historic documents, through this form of research an appropriate name for the hill can usually be found.

Extract from the Ordnance Survey 1:25,000 Explorer map

As the summit of this hill comprises bounded land the details for it were examined on the Tithe map. The term Tithe map is generally given to a map of a Welsh or English parish or township and which was prepared after the 1836 Tithe Commutation Act. This act allowed tithes to be paid in cash rather than goods. The Tithe maps gave names of owners and occupiers of land in each parish and importantly for place-name research they also included the name of enclosed land. This enclosed land is usually based on a field system, however not every field is given a name, but many are and especially so in Wales.

Extract from the Tithe map

The enclosed land where the summit of this hill is situated is given the number 1029 on the Tithe map, this can be cross referenced against the apportionments; it is these apportionments that give the name of the owner or occupier of the land as well as the name of the land. The land where the summit of this hill is situated is named as Ffridd y Garn in the apportionments, with the details on the Tithe map appearing in the parish of Tywyn and in the county named as Merioneth. With the enclosed land to the east of the summit named Llechwedd and the enclosed land to the south-east of the summit named Gribin, both of these names are complimentary to ones that appear on the Ordnance Survey series of Six-Inch maps.

Extract from the apportionments

Therefore, the name this hill is now listed by in the 100m Twmpau and Y Trechol – The Dominant Hills of Wales is Ffridd y Garn, and this was derived from the Tithe map.

The full details for the hill are:

Group: Tarren y Gesail

Name: Ffridd y Garn

Previously Listed Name: Llechwedd Melyn

OS 1:50,000 map: 135

Summit Height: 196.35m (LIDAR)

Summit Grid Reference: SN 61647 98777 (LIDAR)

Bwlch Height: 94.9m (LIDAR)

Bwlch Grid Reference: SN 61953 98391 (LIDAR)

Drop: 101.5m (LIDAR)

Dominance: 51.67% (LIDAR)

Myrddyn Phillips (September 2024)

Mapping Mountains - Significant Name Changes - Y Trechol - The Dominant Hills of Wales

Great Beech (SO 320 014) - 159th significant name change

LIDAR image of Great Beech (SO 320 014)

The criteria for the two listings that this name change applies to are:

100m Twmpau by Myrddyn Phillips

Y Trechol - The Dominant Hills of Wales by Myrddyn Phillips

The hill is adjoined to the Cefn yr Ystrad group of hills, which are situated in the southern part of South Wales (Region B, Sub-Region B5), and it is positioned with minor roads to its north-west and south-east, and has the A472 road to its north-east and the A4042 road farther to its west, and has the town of Pont-y-pŵl (Pontypool) towards the south-west.

When the original 100m height band of Welsh P30 hills were published on Geoff Crowder’s v-g.me website, this hill appeared under the invented and transposed name of Pen Coed Di-haul, with an accompanying note stating; Name from wood to the North-East.

Pen Coed Di-haul

173m

SO320014

171

152

Trig pillar. Name from wood to the North-East.

During my early hill listing I thought it appropriate to either invent a name for a hill, or use a name that appeared near to the summit of the hill on Ordnance Survey maps of the day. My preference was to use farm names and put Pen, Bryn or Moel in front of them or as in this instance transpose the name of a near wood and add the word Pen to it. This is not a practice that I now advocate as with time and inclination place-name data can be improved either by asking local people or by examining historic documents, through this form of research an appropriate name for the hill can usually be found.

Extract from the Ordnance Survey 1:25,000 Explorer map

Since the original publication of the Welsh P30 lists on Geoff Crowder’s v-g.me website there have been a number of maps made available online. Some of these are historic such as the series of Six-Inch maps on the National Library of Scotland website. Whilst others were digitally updated such as the Ordnance Survey Vector Map Local that was hosted on the Geograph website and which was entitled the Interactive Coverage Map, whilst others are current and digitally updated such as the interactive mapping on the Magic Maps and WalkLakes websites, and it is the series of Ordnance Survey Six-Inch maps that form the basis of the change in the listed name of this hill.

Extract from the Ordnance Survey series of Six-Inch maps

The Ordnance Survey series of Six-Inch maps formed the base map Ordnance Survey used for many decades leading to the production of the 1:10,000 Series of maps, both have now been superseded by the digitised Master Map. The series of Six-Inch maps are excellent for name placement and especially so compared to the contemporary Ordnance Survey 1:25,000 Explorer map, and it is the series of Six-Inch maps that place the name of Great Beech adjacent to the summit of this hill.

Therefore, the name this hill is now listed by in the 100m Twmpau and Y Trechol – The Dominant Hills of Wales is Great Beech, and this was derived from the Ordnance Survey series of Six-Inch maps.

The full details for the hill are:

Group: Cefn yr Ystrad

Name: Great Beech

Previously Listed Name: Pen Coed Di-haul

OS 1:50,000 map: 171

Summit Height: 173.5m (LIDAR)

Summit Grid Reference: SO 32011 01461 (LIDAR)

Bwlch Height: 101.9m (LIDAR)

Bwlch Grid Reference: SO 09740 00073 (LIDAR)

Drop: 71.6m (LIDAR)

Dominance: 41.27% (LIDAR)

Myrddyn Phillips (August 2024)

Mapping Mountains - Significant Name Changes - Y Trechol - The Dominant Hills of Wales

Pen y Castell (SJ 117 095) - 158th significant name change

There has been a Significant Name Change to a hill that is listed in the 200m Twmpau and Y Trechol – The Dominant Hills of Wales, with the summit height, bwlch height and their locations, the drop, dominance and status of the hill derived from LIDAR analysis conducted by Myrddyn Phillips.

LIDAR image of Pen y Castell (SJ 117 095)

The criteria for the two listings that this name change applies to are:

200m Twmpau - Welsh hills at or above 200m and below 300m in height that have 30m minimum drop, with an accompanying sub list entitled the 200m Sub-Twmpau, with the criteria for this sub category being all Welsh hills at or above 200m and below 300m in height with 20m or more and below 30m of drop, with the word Twmpau being an acronym standing for thirty welsh metre prominences and upward.

200m Twmpau by Myrddyn Phillips

Y Trechol - The Dominant Hills of Wales by Myrddyn Phillips

The hill is adjoined to the Esgeiriau Gwynion group of hills, which are situated in the southern part of North Wales (Region A, Sub-Region A3), and it is positioned with a minor road to its north, the B4382 road to its south-west, the B4389 road to its east and the A495 road farther to its north, and has the town of Llanfair Caereinion towards the south south-west.

The hill appeared in the original Welsh 200m P30 list on Geoff Crowder’s v-g.me website, under the invented and transposed name of Bryn Pentre-uchaf, with an accompanying note stating; Name from buildings to the South.

Bryn Pentre-uchaf

207m

SJ117096

125

215/239

Name from buildings to the South

During my early hill listing I thought it appropriate to either invent a name for a hill, or use a name that appeared near to the summit of the hill on Ordnance Survey maps of the day. My preference was to use farm names and put Pen, Bryn or Moel in front of them. This is not a practice that I now advocate as with time and inclination place-name data can be improved either by asking local people or by examining historic documents, through this form of research an appropriate name for the hill can usually be found.

Extract from the Ordnance Survey 1:25,000 Explorer map

Since the original publication of the Welsh P30 lists on Geoff Crowder’s v-g.me website there have been a number of maps made available online. Some of these are historic such as the series of Six-Inch maps on the National Library of Scotland website. Whilst others were digitally updated such as the Ordnance Survey Vector Map Local hosted on the Geograph website and which was entitled the Interactive Coverage Map, whilst others are current and digitally updated such as the interactive mapping on the Magic Maps and WalkLakes websites. One of the historic maps now available is the Ordnance Survey One-Inch ‘Old Series’ map and it is this map that formed the basis for the change in the listed name of this hill.

Extract from the Ordnance Survey One-Inch 'Old Series' map

The One-Inch ‘Old Series’ map was the first map that Ordnance Survey produced, and their publication culminated from the whole of Britain being surveyed between 1791 and 1874 and the detail gathered therein produced at a scale of one inch to the mile and published in sheet format between 1805 and 1874. The One-Inch ‘Old Series’ maps for the whole of Wales are now available online; they are also available in map format as enlarged and re-projected versions to match the scale and dimensions of the Ordnance Survey 1:50,000 Landranger series and are published by Cassini. This series of maps form another important part in the study of Welsh upland place-names and bridge the timeframe leading up to the production of the Ordnance Survey base map of the Six-Inch series, and importantly for this hill and its listed name, it is this map that places the name of Pen y Castell close to the summit of the hill.

Therefore, the name this hill is now listed by in the 200m Twmpau and Y Trechol – The Dominant Hills of Wales is Pen y Castell, and this was derived from the Ordnance Survey One-Inch ‘Old Series’ map.

The full details for the hill are:

Group: Esgeiriau Gwynion

Name: Pen y Castell

Previously Listed Name: Bryn Pentre-uchaf

OS 1:50,000 map: 125

Summit Height: 206.75m (LIDAR)

Summit Grid Reference: SJ 11735 09568 (LIDAR)

Bwlch Height: 136.2m (LIDAR)

Bwlch Grid Reference: SJ 11431 09469 & SJ 11424 09475 (LIDAR)

Drop: 70.5m (LIDAR)

Dominance: 34.11% (LIDAR)

Myrddyn Phillips (August 2024)

Mapping Mountains - Significant Name Changes - Y Trechol - The Dominant Hills of Wales

Cae Gwar Allt (SN 455 133) - 157th significant name change

Summit Relocations post for Cae Gwar Allt

LIDAR image of Cae Gwar Allt (SN 455 133)

The criteria for the two listings that this name change applies to are:

100m Twmpau by Myrddyn Phillips

Y Trechol - The Dominant Hills of Wales by Myrddyn Phillips

The hill is adjoined to the Mynydd Sylen group of hills, which are situated in the southern part of South Wales (Region B, Sub-Region B5), and it is positioned with minor roads to its north, west and south-east, and has the A4306 road farther to its north-east and the A4309 road to its south-west, and has the town of Caerfyrddin (Carmarthen) towards the north-west.

When the original 100m height band of Welsh P30 hills were published on Geoff Crowder’s v-g.me website, this hill appeared under the transposed name of Allt y Cadno, with an accompanying note stating; Name from buildings to the North.

Allt y Cadno

111m

SN455133

159

177/178

Name from buildings to the North

During my early hill listing I thought it appropriate to either invent a name for a hill, or use a name that appeared near to the summit of the hill on Ordnance Survey maps of the day. My preference was to use farm names and put Pen, Bryn or Moel in front of them or as in this instance transpose the name of a farm and use it for that of the hill. This is not a practice that I now advocate as with time and inclination place-name data can be improved either by asking local people or by examining historic documents, through this form of research an appropriate name for the hill can usually be found.

Extract from the Ordnance Survey 1:25,000 Explorer map

Extract from the Tithe map

The enclosed land where the summit of this hill is situated is given the number 2501 on the Tithe map, this can be cross referenced against the apportionments; it is these apportionments that give the name of the owner or occupier of the land as well as the name of the land. The land where the summit of this hill is situated is named as Cae Gwar Allt in the apportionments, with the details on the Tithe map appearing in the parish of Llangyndeyrn and in the county named as Carmarthen.

Extract from the apportionments

Therefore, the name this hill is now listed by in the 100m Twmpau and Y Trechol – The Dominant Hills of Wales is Cae Gwar Allt, and this was derived from the Tithe map.

The full details for the hill are:

Group: Mynydd Sylen

Name: Cae Gwar Allt

Previously Listed Name: Allt y Cadno

OS 1:50,000 map: 159

Summit Height: 109.7m (LIDAR)

Summit Grid Reference: SN 45512 13322 (LIDAR)

Bwlch Height: 67.5m (LIDAR)

Bwlch Grid Reference: SN 46302 13388 (LIDAR)

Drop: 42.2m (LIDAR)

Dominance: 38.46% (LIDAR)

Myrddyn Phillips (July 2024)

Mapping Mountains - Significant Name Changes - Y Trechol - The Dominant Hills of Wales

Penllwyngwyn Mawr (SN 549 007) - 156th significant name change

Significant Height Revisions post for Penllwyngwyn Mawr

Summit Relocations post for Penllwyngwyn Mawr

There has been a Significant Name Change to a hill that is listed in the 30-99m Twmpau and Y Trechol – The Dominant Hills of Wales, with the summit height, bwlch height and their locations, the drop, dominance and status of the hill derived from LIDAR analysis conducted by Myrddyn Phillips.

LIDAR image of Penllwyngwyn Mawr (SN 549 007)

The criteria for the two listings that this name change applies to are:

30-99m Twmpau - Welsh hills at or above 30m and below 100m in height that have 30m minimum drop, with an accompanying sub list entitled the 30-99m Sub-Twmpau, with the criteria for this sub category being all Welsh hills at or above 30m and below 100m in height with 20m or more and below 30m of drop, with the word Twmpau being an acronym standing for thirty welsh metre prominences and upward.

30-99m Twmpau by Myrddyn Phillips

Y Trechol - The Dominant Hills of Wales by Myrddyn Phillips

The hill is adjoined to the Mynydd Sylen group of hills, which are situated in the southern part of South Wales (Region B, Sub-Region B5), and it is positioned with the B4297 road to its immediate north and to its south, and has the town of Llanelli towards the west.

The hill appeared in the original Welsh 30-99m P30 list on Geoff Crowder’s v-g.me website, under the invented and transposed name of Pen y Bryn, with an accompanying note stating; Name from surrounding district.

Pen y Bryn

72m

SN551009

159

164/178

Name from surrounding district

During my early hill listing I thought it appropriate to either invent a name for a hill, or use a name that appeared near to the summit of the hill on Ordnance Survey maps of the day. My preference was to use farm names and put Pen, Bryn or Moel in front of them or as in this instance transpose the name of a small community and add the words Pen y to it. This is not a practice that I now advocate as with time and inclination place-name data can be improved either by asking local people or by examining historic documents, through this form of research an appropriate name for the hill can usually be found.

Extract from the Ordnance Survey 1:25,000 Explorer map

Extract from the Tithe map

The enclosed land where the summit of this hill is situated is given the number 526 on the Tithe map, this can be cross referenced against the apportionments; it is these apportionments that give the name of the owner or occupier of the land as well as the name of the land. The land where the summit of this hill is situated is named as Penllwyngwyn Mawr in the apportionments, with the details on the Tithe map appearing in the parish of Llangennech and in the county named as Carmarthen.

Extract from the apportionments

Therefore, the name this hill is now listed by in the 30-99m Twmpau and Y Trechol – The Dominant Hills of Wales is Penllwyngwyn Mawr, and this was derived from the Tithe map.

The full details for the hill are:

Group: Mynydd Sylen

Name: Penllwyngwyn Mawr

Previously Listed Name: Pen y Bryn

OS 1:50,000 map: 164, 178

Summit Height: 76.8m (LIDAR)

Summit Grid Reference: SN 54907 00706 (LIDAR)

Bwlch Height: 25.0m (LIDAR)

Bwlch Grid Reference: SN 53996 01771 (LIDAR)

Drop: 51.8m (LIDAR)

Dominance: 67.44% (LIDAR)

Myrddyn Phillips (June 2024)

Mapping Mountains - Significant Name Changes - Y Trechol - The Dominant Hills of Wales

Great Trefgarn Mountain (SM 944 243) - 155th significant name change

LIDAR image of Great Trefgarn Mountain (SM 944 243)

The criteria for the two listings that this name change applies to are:

100m Twmpau - Welsh hills at or above 100m and below 200m in height that have 30m minimum drop, with an accompanying sub list entitled the 100m Sub-Twmpau, with the criteria for this sub category being all Welsh hills at or above 100m and below 200m in height with 20m or more and below 30m of drop, with the word Twmpau being an acronym standing for thirty welsh metre prominences and upward.

100m Twmpau by Myrddyn Phillips

Y Trechol - The Dominant Hills of Wales by Myrddyn Phillips

The hill is adjoined to the Garn Fawr group of hills, which are situated in the south-western part of South Wales (Region B, Sub-Region B1), and it is positioned with minor roads to its north and south, the B4330 road to its west and the A40 road to its east, and has the town of Hwlffordd (Haverfordwest) towards the south.

The hill appeared in the original Welsh 100m P30 list on Geoff Crowder’s v-g.me website, under the transposed name of Great Treffgarne Mountain, which is the composition of a prominent name that appears close to the summit of this hill on the Ordnance Survey 1:50,000 Landranger and 1:25,000 Explorer map.

Extract from the Ordnance Survey 1:25,000 Explorer map

The intricacies of language and prioritising one in favour of another for listing a hill is fraught with complication, with originating Cymraeg names being anglicised and also originating English names being cymricised, examples such as these are more common in border country and especially so for anglicised forms. There is no steadfast rule that fits all, but as a standard a name that has its origins in the Welsh language and where this is substantiated by either historic documentation and/or contemporary usage should be prioritised in favour of a contemporary anglicised or English version of the name. Likewise, if a name exists where an element of it is in English and if this name applies to a hill that is situated in a Welsh speaking part of Wales it is standard practice to use a full Welsh term for the name. It is also standard practice to use a Welsh name for a hill if another name exists that has originated in a different language.

Since the original publication of the Welsh P30 lists on Geoff Crowder’s v-g.me website a number of place-name books have been accessed to either find or substantiate locally known and/or historic names for hills. One of the books accessed is the Dictionary of the Place-Names of Wales, published in 2007 by Gomer Press and researched and written by Hywel Wyn Owen and Richard Morgan. It is this book that documents the preferred composition of the middle word of the listed name of this hill as Trefgarn, noting; A common local alternative, under English influence, is Treffgarn (e).

Therefore, the name this hill is now listed by in the 100m Twmpau and Y Trechol – The Dominant Hills of Wales is Great Trefgarn Mountain, and although a fully Welsh name has not been found by the author for this hill the preferred Welsh composition of Trefgarn is favoured, and this is documented in the Dictionary of the Place-Names of Wales book.

The full details for the hill are:

Group: Garn Fawr

Name: Great Trefgarn Mountain

Previously Listed Name: Great Treffgarne Mountain

OS 1:50,000 map: 157, 158

Summit Height: 165.2m (LIDAR)

Summit Grid Reference: SM 94454 24305 (LIDAR)

Bwlch Height: 97.1m (LIDAR)

Bwlch Grid Reference: SM 93483 23607 (LIDAR)

Drop: 68.1m (LIDAR)

Dominance: 41.22% (LIDAR)

Myrddyn Phillips (June 2024)

Mapping Mountains - Significant Name Changes - Y Trechol - The Dominant Hills of Wales

Coed Abergwynant (SH 677 178) - 154th significant name change

LIDAR image of Coed Abergwynant (SH 677 178)

The criteria for the two listings that this name change applies to are:

30-99m Twmpau by Myrddyn Phillips

Y Trechol - The Dominant Hills of Wales by Myrddyn Phillips

The hill is adjoined to the Cadair Idris group of hills, which are situated in the south-western part of North Wales (Region A, Sub-Region A3), and it is positioned with the A493 road to its south-east, and has the town of Dolgellau towards the east.

The hill appeared in the original Welsh 30-99m P30 list on Geoff Crowder’s v-g.me website, under the transposed name of Abergwynant Woods, which is a prominent name that appears next to the summit of this hill on the contemporary Ordnance Survey 1:25,000 Explorer map.

Abergwynant Woods

90c

SH681177

124

Three points of same height - other at SH679178 / SH676177

During my early hill listing I thought it appropriate to either invent a name for a hill, or use a name that appeared near to the summit of the hill on Ordnance Survey maps of the day. My preference was to use farm names and put Pen, Bryn or Moel in front of them or as in this instance transpose a prominent name that appears on the Ordnance Survey 1:25,000 Explorer map and use it for that of the hill. This is not a practice that I now advocate as with time and inclination place-name data can be improved either by asking local people or by examining historic documents, through this form of research an appropriate name for the hill can usually be found.

Extract from the Ordnance Survey 1:25,000 Explorer map

Therefore, the name this hill is now listed by in the 30-99m Twmpau and Y Trechol – The Dominant Hills of Wales is Coed Abergwynant, with the Welsh name for this hill prioritised over its part English counterpart of Abergwynant Woods, which for listing purposes is standard practice.

The full details for the hill are:

Group: Cadair Idris

Name: Coed Abergwynant

Previously Listed Name: Abergwynant Woods

OS 1:50,000 map: 124

Summit Height: 97.1m (LIDAR)

Summit Grid Reference: SH 67725 17843 (LIDAR)

Bwlch Height: 46.7m (LIDAR)

Bwlch Grid Reference: SH 68287 17879 (LIDAR)

Drop: 50.4m (LIDAR)

Dominance: 51.91% (LIDAR)

Myrddyn Phillips (May 2024)

Mapping Mountains - Significant Name Changes - Y Trechol - The Dominant Hills of Wales

Cefn y Coed (SH 667 172) - 153rd significant name change

Significant Height Revisions post for Cefn y Coed

Summit Relocations post for Cefn y Coed

LIDAR image of Cefn y Coed (SH 667 172)

The criteria for the two listings that this name change applies to are:

30-99m Twmpau by Myrddyn Phillips

Y Trechol - The Dominant Hills of Wales by Myrddyn Phillips

The hill appeared in the original Welsh 30-99m P30 list on Geoff Crowder’s v-g.me website, under the transposed name of Coed-y-garth, which is a prominent name that appears to the south-west of the summit of this hill on the contemporary Ordnance Survey 1:50,000 Landranger and 1:25,000 Explorer map.

Coed-y-garth

90c

SH666172

124

Two points of same height

During my early hill listing I thought it appropriate to either invent a name for a hill, or use a name that appeared near to the summit of the hill on Ordnance Survey maps of the day. My preference was to use farm names and put Pen, Bryn or Moel in front of them or as in this instance transpose a prominent name that appears on the Ordnance Survey 1:50,000 Landranger and 1:25,000 Explorer map and use it for that of the hill. This is not a practice that I now advocate as with time and inclination place-name data can be improved either by asking local people or by examining historic documents, through this form of research an appropriate name for the hill can usually be found.

Extract from the Ordnance Survey 1:25,000 Explorer map

Extract from the Tithe map

The enclosed land where the summit of this hill is situated is given the number 185 on the Tithe map, this can be cross referenced against the apportionments; it is these apportionments that give the name of the owner or occupier of the land as well as the name of the land. The land where the summit of this hill is situated is named as Cefngoed in the apportionments, with the details on the Tithe map appearing in the parish of Dolgellau and in the county named as Merioneth.

Extract from the apportionments

The Ordnance Survey One-Inch ‘Old Series’ map hosted on the website accessing the Tithe maps gives two prominent names for the wooded area taking in this hill; Coed y Garth to the south-west and Cefn-y-coed close to the summit of this hill. With the Tithe map giving the land boundary between each and which is still portrayed on contemporary Ordnance Survey maps.

Extract from the Ordnance Survey One-Inch Old Series map hosted on the Tithe website

Therefore, the name this hill is now listed by in the 30-99m Twmpau and Y Trechol – The Dominant Hills of Wales is Cefn y Coed, and this was derived from the Tithe map.

The full details for the hill are:

Group: Cadair Idris

Name: Cefn y Coed

Previously Listed Name: Coed-y-garth

OS 1:50,000 map: 124

Summit Height: 89.0m (LIDAR)

Summit Grid Reference: SH 66751 17241 (LIDAR)

Bwlch Height: 26.7m (LIDAR)

Bwlch Grid Reference: SH 67045 17182 (LIDAR)

Drop: 62.3m (LIDAR)

Dominance: 69.98% (LIDAR)

Myrddyn Phillips (May 2024)

Mapping Mountains - Significant Name Changes - Y Trechol - The Dominant Hills of Wales

Pt. 118.9m (SN 710 294) - 152nd significant name change

Summit Relocations post for Pt. 118.9m

LIDAR image of Pt. 118.9m (SN 710 294)

The criteria for the two listings that this name change applies to are:

100m Twmpau by Myrddyn Phillips

Y Trechol - The Dominant Hills of Wales by Myrddyn Phillips

The hill is adjoined to the Mynydd Du group of hills, which are situated in the southern part of South Wales (Region B, Sub-Region B5), and it is positioned with the Afon Tywi (River Towy) and the A40 road to its west, the B4069 road to its east, and has the village of Llangadog towards the south.

The hill appeared in the original Welsh 100m P30 list on Geoff Crowder’s v-g.me website, under the invented and transposed name of Allt y Tyddyn, with an accompanying note stating; Name from farm to the North.

Allt y Tyddyn

119m

SN711294

146/160

Name from farm to the North

During my early hill listing I thought it appropriate to either invent a name for a hill, or use a name that appeared near to the summit of the hill on Ordnance Survey maps of the day. My preference was to use farm names and put Pen, Bryn or Moel in front of them or as in this instance transpose the name of a farm and add the words Allt y to it. This is not a practice that I now advocate as with time and inclination place-name data can be improved either by asking local people or by examining historic documents, through this form of research an appropriate name for the hill can usually be found.

Extract from the Ordnance Survey 1:25,000 Explorer map

However, on occasion even when research is conducted an appropriate name for the hill may not be found, and on such occasions the listing protocol is to use the point (Pt. 118.9m) notation, and for this hill this is such an example.

Therefore, the name this hill is now listed by in the 100m Twmpau and Y Trechol – The Dominant Hills of Wales is Pt. 118.9m, and this is being used as the author has not found an appropriate name for the hill either through historic research and/or local enquiry.

The full details for the hill are:

Group: Mynydd Du

Name: Pt. 118.9m

Previously Listed Name: Allt y Tyddyn

OS 1:50,000 map: 146, 160

Summit Height: 118.9m (LIDAR)

Summit Grid Reference: SN 71046 29411 (LIDAR)

Bwlch Height: 69.9m (LIDAR)

Bwlch Grid Reference: SN 72466 30393 (LIDAR)

Drop: 48.9m (LIDAR)

Dominance: 41.16% (LIDAR)

Myrddyn Phillips (April 2024)

Mapping Mountains - Significant Name Changes - Y Trechol - The Dominant Hills of Wales

Hill Park (SM 955 102) - 151st significant name change

Hill Reclassifications post for Hill Park

Summit Relocations post for Hill Park

There has been a Significant Name Change to a hill that is listed in the 30-99m Twmpau and Y Trechol – The Dominant Hills of Wales, with the summit height, bwlch height and their locations, the drop, dominance and status of the hill prompted by detail produced by Joe Nuttall in his surface analysis programme, with subsequent LIDAR analysis conducted by the DoBIH team and independently by Myrddyn Phillips.

LIDAR image of Hill Park (SM 955 102)

The criteria for the two listings that this name change applies to are:

The 30-99m Twmpau by Myrddyn Phillips

Y Trechol - The Dominant Hills of Wales by Myrddyn Phillips

The hill is adjoined to the Garn Fawr group of hills which are situated in the south-western part of South Wales (Region B, Sub-Region B1), and it is positioned encircled by minor roads, with the A4076 road farther to its west, and the A477 road to its south-west, and has the village of Johnston towards the west.

The hill appeared in the original Welsh 30-99m P30 list on Geoff Crowder’s v-g.me website, under the transposed name of Clareston, with an accompanying note stating; Name from farm to the North.

During my early hill listing I thought it appropriate to either invent a name for a hill, or use a name that appeared near to the summit of the hill on Ordnance Survey maps of the day. My preference was to use farm names and put Pen, Bryn or Moel in front of them or as in this instance transpose the name of a farm and use it for that of the hill. This is not a practice that I now advocate as with time and inclination place-name data can be improved either by asking local people or by examining historic documents, through this form of research an appropriate name for the hill can usually be found.

Extract from the Ordnance Survey 1:25,000 Explorer map

Extract from the Tithe map

The enclosed land where the summit of this hill is situated is given the number 59 on the Tithe map, this can be cross referenced against the apportionments; it is these apportionments that give the name of the owner or occupier of the land as well as the name of the land. The land where the summit of this hill is situated is named as Hill Park in the apportionments, with the details on the Tithe map appearing in the parish of Freystrop and in the county named as Pembroke.

Extract from the apportionments

Therefore, the name this hill is now listed by in the 30-99m Twmpau and Y Trechol – The Dominant Hills of Wales is Hill Park, and this was derived from the Tithe map.

The full details for the hill are:

Group: Garn Fawr

Name: Hill Park

Previously Listed Name: Clareston

OS 1:50,000 map: 157, 158

Summit Height: 99.5m (LIDAR)

Summit Grid Reference: SM 95585 10244 (LIDAR)

Bwlch Height: 63.6m (LIDAR)

Bwlch Grid Reference: SM 93281 10622 (LIDAR)

Drop: 35.9m (LIDAR)

Dominance: 36.16% (LIDAR)

Myrddyn Phillips (January 2024)

Mapping Mountains - Significant Name Changes - Y Trechol - The Dominant Hills of Wales

Bolton Beacon (SM 917 112) - 150th significant name change

Significant Height Revisions post for Bolton Beacon

LIDAR image of Bolton Beacon (SM 917 112)

The criteria for the two listings that this name change applies to are:

The 100m Twmpau by Myrddyn Phillips

Y Trechol - The Dominant Hills of Wales by Myrddyn Phillips

The hill is adjoined to the Garn Fawr group of hills, which are situated in the south-western part of South Wales (Region B, Sub-Region B1), and it is positioned encircled by minor roads, with the B4327 road farther to its north-west and the A4076 road farther to its east, and has the village of Johnston towards the east south-east.

The hill appeared in the original Welsh 30-99m P30 list on Geoff Crowder’s v-g.me website, under the transposed name of Boltonhill, with an accompanying note stating; Name from settlement to the North-East.

Boltonhill

110m

SM917112

157/158

Trig pillar. Name from settlement to the North-East.

During my early hill listing I thought it appropriate to either invent a name for a hill, or use a name that appeared near to the summit of the hill on Ordnance Survey maps of the day. My preference was to use farm names and put Pen, Bryn or Moel in front of them or as in this instance transpose the name of a small community and use it for that of the hill. This is not a practice that I now advocate as with time and inclination place-name data can be improved either by asking local people or by examining historic documents, through this form of research an appropriate name for the hill can usually be found.

Extract from the Ordnance Survey 1:25,000 Explorer map

Since publication of these P30 lists on Geoff Crowder’s v-g.me website there have been a number of Ordnance Survey maps made available online, some of these are historic such as the series of Six-Inch maps on the National Library of Scotland website, whilst others are current and digitally updated such as the Vector Map Local that was hosted on the Geograph website and which was entitled the Interactive Coverage Map. One of the historic maps now available is the Ordnance Survey One-Inch ‘Old Series’ map and it is this map that formed the basis for the change in the listed name of this hill.

Extract from the Ordnance Survey One-Inch 'Old Series' map

The One-Inch ‘Old Series’ map was the first map that Ordnance Survey produced, and their publication culminated from the whole of Britain being surveyed between 1791 and 1874 and the detail gathered therein produced at a scale of one inch to the mile and published in sheet format between 1805 and 1874. The One-Inch ‘Old Series’ maps for the whole of Wales are now available online; they are also available in map format as enlarged and re-projected versions to match the scale and dimensions of the Ordnance Survey 1:50,000 Landranger series and are published by Cassini. This series of maps form another important part in the study of Welsh upland place-names and bridge the timeframe leading up to the production of the Ordnance Survey base map of the Six-Inch series, and importantly for this hill and its listed name, it is this map that uses this name and places it close to the summit of the hill.

Therefore, the name this hill is now listed by in the 100m Twmpau and Y Trechol – The Dominant Hills of Wales is Bolton Beacon, and this was derived from the Ordnance Survey One-Inch ‘Old Series’ map.

The full details for the hill are:

Group: Garn Fawr

Name: Bolton Beacon

Previously Listed Name: Boltonhill

OS 1:50,000 map: 157, 158

Summit Height: 113.4m (LIDAR)

Summit Grid Reference: SM 91710 11288 (LIDAR)

Bwlch Height: 66.8m (LIDAR)

Bwlch Grid Reference: SM 89719 12333 & SM 89721 12333 (LIDAR)

Drop: 46.7m (LIDAR)

Dominance: 41.13% (LIDAR)

Myrddyn Phillips (September 2023)

Mapping Mountains - Significant Name Changes - Y Trechol - The Dominant Hills of Wales

Field (SN 068 063) - 149th significant name change

Summit Relocations post for Field

LIDAR image of Field (SN 068 063)

The criteria for the two listings that this name change applies to are:

The 30-99m Twmpau by Myrddyn Phillips

Y Trechol - The Dominant Hills of Wales by Myrddyn Phillips

The hill is adjoined to the Mynydd Preseli group of hills, which are situated in the south-western part of South Wales (Region B, Sub-Region B1), and it is positioned with a minor road to its immediate north and the A4075 road to its west, and has the small community of Creseli (Cresselly) towards the west.

The hill appeared in the original Welsh 30-99m P30 list on Geoff Crowder’s v-g.me website, under the transposed and invented name of Myrtle Grove Hill, with an accompanying note stating; Name from community to the West.

Myrtle Grove Hill

90c

SN068063

158

Name from community to the West

During my early hill listing I thought it appropriate to either invent a name for a hill, or use a name that appeared near to the summit of the hill on Ordnance Survey maps of the day. My preference was to use farm names and put Pen, Bryn or Moel in front of them or as in this instance transpose the name of a small community and add the word Hill to it. This is not a practice that I now advocate as with time and inclination place-name data can be improved either by asking local people or by examining historic documents, through this form of research an appropriate name for the hill can usually be found.

Extract from the Ordnance Survey 1:25,000 Explorer map

Extract from the Tithe map

The enclosed land where the summit of this hill is situated is given the number 612 on the Tithe map, this can be cross referenced against the apportionments; it is these apportionments that give the name of the owner or occupier of the land as well as the name of the land. The land where the summit of this hill is situated is named as Field in the apportionments, with the details on the Tithe map appearing in the parish of Jefferson and in the county named as Pembroke.

Extract from the apportionments

Therefore, the name this hill is now listed by in the 30-99m Twmpau and Y Trechol – The Dominant Hills of Wales is Field, and this was derived from the Tithe map.

The full details for the hill are:

Group: Mynydd Preseli

Name: Field

Previously Listed Name: Myrtle Grove Hill

OS 1:50,000 map: 158

Summit Height: 90.1m (LIDAR)

Summit Grid Reference: SN 06845 06360 (LIDAR)

Bwlch Height: 52.1m (LIDAR)

Bwlch Grid Reference: SN 08698 06251 & SN 08706 06253 & SN 08709 06255 (LIDAR)

Drop: 37.9m (LIDAR)

Dominance: 42.11% (LIDAR)

Myrddyn Phillips (August 2023)

Mapping Mountains - Significant Name Changes - Y Trechol - The Dominant Hills of Wales

Y Bont (SN 251 155) - 148th significant name change

LIDAR image of Y Bont (SN 251 155)

The criteria for the two listings that this name change applies to are:

The 30-99m Twmpau by Myrddyn Phillips

Y Trechol - The Dominant Hills of Wales by Myrddyn Phillips

The hill is adjoined to the Mynydd Preseli group of hills, which are situated in the south-western part of South Wales (Region B, Sub-Region B1), and it is positioned with the A40 road to its north and the A477 road to its south, and has the town of Sanclêr (St Clears) towards the east north-east.

The hill appeared in the original Welsh 30-99m P30 list on Geoff Crowder’s v-g.me website, under the transposed and invented name of Woolstone Hill, with an accompanying note stating; Name from buildings to the South.

Woolstone Hill

73m

SN252155

158

177

Name from buildings to the South

During my early hill listing I thought it appropriate to either invent a name for a hill, or use a name that appeared near to the summit of the hill on Ordnance Survey maps of the day. My preference was to use farm names and put Pen, Bryn or Moel in front of them or as in this instance transpose the name of a farm and add the word Hill to it. This is not a practice that I now advocate as with time and inclination place-name data can be improved either by asking local people or by examining historic documents, through this form of research an appropriate name for the hill can usually be found.

Extract from the Ordnance Survey 1:25,000 Explorer map

Extract from the Tithe map

The enclosed land where the summit of this hill is situated is given the number 278 on the Tithe map, this can be cross referenced against the apportionments; it is these apportionments that give the name of the owner or occupier of the land as well as the name of the land. The land where the summit of this hill is situated is named as Y Bont in the apportionments, with the details on the Tithe map appearing in the parish of Sanclêr and in the county named as Carmarthen.

Extract from the apportionments

Therefore, the name this hill is now listed by in the 30-99m Twmpau and Y Trechol – The Dominant Hills of Wales is Y Bont, and this was derived from the Tithe map.

The full details for the hill are:

Group: Mynydd Preseli

Name: Y Bont

Previously Listed Name: Woolstone Hill

OS 1:50,000 map: 158

Summit Height: 72.7m (LIDAR)

Summit Grid Reference: SN 25164 15513 (LIDAR)

Bwlch Height: 30.2m (LIDAR)

Bwlch Grid Reference: SN 25997 15602 (LIDAR)

Drop: 42.5m (LIDAR)

Dominance: 58.41% (LIDAR)

Myrddyn Phillips (August 2023)

Mapping Mountains - Significant Name Changes - Y Trechol - The Dominant Hills of Wales

Parc Gwan Coed (SN 242 153) - 147th significant name change

LIDAR image of Parc Gwan Coed (SN 242 153)

The criteria for the two listings that this name change applies to are:

The 30-99m Twmpau by Myrddyn Phillips

Y Trechol - The Dominant Hills of Wales by Myrddyn Phillips

The hill appeared in the original Welsh 30-99m P30 list on Geoff Crowder’s v-g.me website, under the invented and transposed name of Allt-y-Clog-y-fran, with an accompanying note stating; Name from buildings to the North.

Allt-y-Clog-y-fran

79m

SN243153

158

177

Name from buildings to the North

During my early hill listing I thought it appropriate to either invent a name for a hill, or use a name that appeared near to the summit of the hill on Ordnance Survey maps of the day. My preference was to use farm names and put Pen, Bryn or Moel in front of them or as in this instance transpose the name of a farm and add the words Allt-y- to it. This is not a practice that I now advocate as with time and inclination place-name data can be improved either by asking local people or by examining historic documents, through this form of research an appropriate name for the hill can usually be found.

Extract from the Ordnance Survey 1:25,000 Explorer map

Extract from the Tithe map

The enclosed land where the summit of this hill is situated is given the number 231 on the Tithe map, this can be cross referenced against the apportionments; it is these apportionments that give the name of the owner or occupier of the land as well as the name of the land. The land where the summit of this hill is situated is named as Parc Gwan Coed in the apportionments, with the details on the Tithe map appearing in the parish of Sanclêr and in the county named as Carmarthen.

Extract from the apportionments

Therefore, the name this hill is now listed by in the 30-99m Twmpau and Y Trechol – The Dominant Hills of Wales is Parc Gwan Coed, and this was derived from the Tithe map.

The full details for the hill are:

Group: Mynydd Preseli

Name: Parc Gwan Coed

Previously Listed Name: Allt-y-Clog-y-fran

OS 1:50,000 map: 158

Summit Height: 79.7m (LIDAR)

Summit Grid Reference: SN 24271 15380 (LIDAR)

Bwlch Height: 32.6m (LIDAR)

Bwlch Grid Reference: SN 24441 16430 & SN 24442 16431 (LIDAR)

Drop: 47.1m (LIDAR)

Dominance: 59.14% (LIDAR)

Myrddyn Phillips (August 2023)

Mapping Mountains - Significant Name Changes - Y Trechol - The Dominant Hills of Wales

Boulston Estate (SM 979 132) - 146th significant name change

LIDAR image of Boulston Estate (SM 979 132)

The criteria for the two listings that this name change applies to are:

The 30-99m Twmpau by Myrddyn Phillips

Y Trechol - The Dominant Hills of Wales by Myrddyn Phillips

The hill is adjoined to the Mynydd Preseli group of hills, which are situated in the south-western part of South Wales (Region B, Sub-Region B1), and it is positioned with minor roads to its north, west and east, with the A40 road farther to its north, and has the town of Hwlffordd (Haverfordwest) towards its north-west.

The hill appeared in the original Welsh 30-99m P30 list on Geoff Crowder’s v-g.me website, under the transposed and invented name of Boulston Top, with an accompanying note stating; Name from farm and manor to the South-West.

Boulston Top

54m

SM980133

157/158

Name from farm and manor to the South-West

During my early hill listing I thought it appropriate to either invent a name for a hill, or use a name that appeared near to the summit of the hill on Ordnance Survey maps of the day. My preference was to use farm names and put Pen, Bryn or Moel in front of them or as in this instance transpose the name of a farm and manor and add the word Top to it. This is not a practice that I now advocate as with time and inclination place-name data can be improved either by asking local people or by examining historic documents, through this form of research an appropriate name for the hill can usually be found.

Extract from the Ordnance Survey 1:25,000 Explorer map

Extract from the Tithe map

The enclosed land where the summit of this hill is situated is given the number 129 on the Tithe map, this can be cross referenced against the apportionments; it is these apportionments that give the name of the owner or occupier of the land as well as the name of the land. The land where the summit of this hill is situated is named as Boulston Estate in the apportionments, with the details on the Tithe map appearing in the parish of Boulston and in the county named as Pembroke.

Extract from the apportionments

Therefore, the name this hill is now listed by in the 30-99m Twmpau and Y Trechol – The Dominant Hills of Wales is Boulston Estate, with this was derived from the Tithe map.

The full details for the hill are:

Group: Mynydd Preseli

Name: Boulston Estate

Previously Listed Name: Boulston Top

OS 1:50,000 map: 157, 158

Summit Height: 53.6m (LIDAR)

Summit Grid Reference: SM 97982 13263 (LIDAR)

Bwlch Height: 22.35m (LIDAR)

Bwlch Grid Reference: SM 98569 14710 & SM 98570 14713 (LIDAR)

Drop: 31.2m (LIDAR)

Dominance: 58.29% (LIDAR)

Myrddyn Phillips (July 2023)

Mapping Mountains - Significant Name Changes - Y Trechol - The Dominant Hills of Wales

Blacksmith’s Park (SN 219 182) - 145th significant name change

Summit Relocations post for Blacksmith's Park

There has been a Significant Name Change to a hill that is listed in the 100m Twmpau and Y Trechol – The Dominant Hills of Wales, with the summit height, bwlch height and their locations, the drop, dominance and status of the hill derived from LIDAR analysis conducted by Myrddyn Phillips.

LIDAR image of Blacksmith's Park (SN 219 182)

The criteria for the two listings that this name change applies to are:

The 100m Twmpau by Myrddyn Phillips

Y Trechol - The Dominant Hills of Wales by Myrddyn Phillips

The hill is adjoined to the Mynydd Preseli group of hills, which are situated in the south-western part of South Wales (Region B, Sub-Region B1), and it is positioned with a minor road to its north-west and north-east, and the A40 road to its south, and has the town of Hendy-gwyn ar Daf (Whitland) towards the south-west.

The hill appeared in the original Welsh 100m P30 list on Geoff Crowder’s v-g.me website, under the transposed name of Bryncoch, with an accompanying note stating; Name from buildings to the North.

Bryncoch

151m

SN219183

158

177

Clem/Yeaman. Name from buildings to the North.

During my early hill listing I thought it appropriate to either invent a name for a hill, or use a name that appeared near to the summit of the hill on Ordnance Survey maps of the day. My preference was to use farm names and put Pen, Bryn or Moel in front of them or as in this instance transpose the name of a farm and use it for that of the hill. This is not a practice that I now advocate as with time and inclination place-name data can be improved either by asking local people or by examining historic documents, through this form of research an appropriate name for the hill can usually be found.

Extract from the Ordnance Survey 1:25,000 Explorer map

Extract from the Tithe map

The enclosed land where the summit of this hill is situated is given the number 2058 on the Tithe map, this can be cross referenced against the apportionments; it is these apportionments that give the name of the owner or occupier of the land as well as the name of the land. The land where the summit of this hill is situated is named as Blacksmith’s Park in the apportionments, with the details on the Tithe map appearing in the parish of Llanboidy and in the county named as Carmarthen.

Extract from the apportionments

Therefore, the name this hill is now listed by in the 100m Twmpau and Y Trechol – The Dominant Hills of Wales is Blacksmith’s Park, and this was derived from the Tithe map.

The full details for the hill are:

Group: Mynydd Preseli

Name: Blacksmith’s Park

Previously Listed Name: Bryncoch

OS 1:50,000 map: 158

Summit Height: 150.05m (LIDAR)

Summit Grid Reference: SN 21949 18280 (LIDAR)

Bwlch Height: 97.3m (LIDAR)

Bwlch Grid Reference: SN 22723 20183 (LIDAR)

Drop: 52.8m (LIDAR)

Dominance: 35.18% (LIDAR)

Myrddyn Phillips (June 2023)

Mapping Mountains - Significant Name Changes - Y Trechol - The Dominant Hills of Wales

Parc y Llan (SN 101 184) - 144th significant name change

LIDAR image of Parc y Llan (SN 101 184)

The criteria for the two listings that this name change applies to are:

The 100m Twmpau by Myrddyn Phillips

Y Trechol - The Dominant Hills of Wales by Myrddyn Phillips

The hill is adjoined to the Mynydd Preseli group of hills, which are situated in the south-western part of South Wales (Region B, Sub-Region B1), and it is positioned with a minor road to its north-east, the B4313 road to its north-west, the A40 road to its south and the A478 road to its east, and has the town of Arberth (Narberth) towards the south.

The hill appeared in the original Welsh 100m P30 list on Geoff Crowder’s v-g.me website, under the invented and transposed name of Allt Llwyn-celyn, with an accompanying note stating; Name from buildings to the North.

During my early hill listing I thought it appropriate to either invent a name for a hill, or use a name that appeared near to the summit of the hill on Ordnance Survey maps of the day. My preference was to use farm names and put Pen, Bryn or Moel in front of them or as in this instance transpose the name of a farm and add the word Allt to it. This is not a practice that I now advocate as with time and inclination place-name data can be improved either by asking local people or by examining historic documents, through this form of research an appropriate name for the hill can usually be found.

Extract from the Ordnance Survey 1:25,000 Explorer map

Extract from the Tithe map

The enclosed land where the summit of this hill is situated is given the number 777 on the Tithe map, this can be cross referenced against the apportionments; it is these apportionments that give the name of the owner or occupier of the land as well as the name of the land. The land where the summit of this hill is situated is named as Parc y Llan in the apportionments, with the details on the Tithe map appearing in the parish of Llanhuadain and in the county named as Pembroke.

Extract from the apportionments

Therefore, the name this hill is now listed by in the 100m Twmpau and Y Trechol – The Dominant Hills of Wales is Parc y Llan, and this was derived from the Tithe map.

The full details for the hill are:

Group: Mynydd Preseli

Name: Parc y Llan

Previously Listed Name: Allt Llwyn-celyn

OS 1:50,000 map: 158

Summit Height: 109.5m (LIDAR)

Summit Grid Reference: SN 10115 18441 (LIDAR)

Bwlch Height: 62.3m (LIDAR)

Bwlch Grid Reference: SN 11264 19419 (LIDAR)

Drop: 47.2m (LIDAR)

Dominance: 43.08% (LIDAR)

Myrddyn Phillips (May 2023)

Mapping Mountains - Significant Name Changes - Y Trechol - The Dominant Hills of Wales

Parc y Gaer (SN 189 191) - 143rd significant name change

LIDAR image of Parc y Gaer (SN 189 191)

The criteria for the two listings that this name change applies to are:

The 100m Twmpau by Myrddyn Phillips

Y Trechol - The Dominant Hills of Wales by Myrddyn Phillips

The hill is adjoined to the Mynydd Preseli group of hills, which are situated in the south-western part of South Wales (Region B, Sub-Region B1), and it is positioned with minor roads to its north, west and east, and the A40 road to its south, and has the town of Hendy-gwyn ar Daf (Whitland) towards the south south-east.

The hill appeared in the original Welsh 100m P30 list on Geoff Crowder’s v-g.me website, under the invented and transposed name of Allt Talfan, with an accompanying note stating; Name from farm to the North-West.

Allt Talfan

123m

SN189191

158

36/177

Name from farm to the North-West

During my early hill listing I thought it appropriate to either invent a name for a hill, or use a name that appeared near to the summit of the hill on Ordnance Survey maps of the day. My preference was to use farm names and put Pen, Bryn or Moel in front of them or as in this instance transpose the name of a farm and add the word Allt to it. This is not a practice that I now advocate as with time and inclination place-name data can be improved either by asking local people or by examining historic documents, through this form of research an appropriate name for the hill can usually be found.

Extract from the Ordnance Survey 1:25,000 Explorer map

Extract from the Tithe map

The enclosed land where the summit of this hill is situated is given the number 472 on the Tithe map, this can be cross referenced against the apportionments; it is these apportionments that give the name of the owner or occupier of the land as well as the name of the land. The land where the summit of this hill is situated is named as Parc y Gar (local pronunciation from Parc y Gaer) in the apportionments, with the details on the Tithe map appearing in the parish of Llan-gan and in the county named as Pembroke and Carmarthen.

Extract from the apportionments

Therefore, the name this hill is now listed by in the 100m Twmpau and Y Trechol – The Dominant Hills of Wales is Parc y Gaer, and this was derived from the Tithe map.

The full details for the hill are:

Group: Mynydd Preseli

Name: Parc y Gaer

Previously Listed Name: Allt Talfan

OS 1:50,000 map: 158

Summit Height: 123.2m (LIDAR)

Summit Grid Reference: SN 18912 19117 (LIDAR)

Bwlch Height: 81.0m (LIDAR)

Bwlch Grid Reference: SN 18461 19431 (LIDAR)

Drop: 42.1m (LIDAR)

Dominance: 34.21% (LIDAR)

My thanks to Aled Williams for advice relating to the listed name of this hill

Myrddyn Phillips (May 2023)

Mapping Mountains - Significant Name Changes - Y Trechol - The Dominant Hills of Wales

Mount Park (SN 072 185) - 142nd significant name change

Summit Relocations post for Mount Park

LIDAR image of Mount Park (SN 072 185)

The criteria for the two listings that this name change applies to are:

The 100m Twmpau by Myrddyn Phillips

Y Trechol - The Dominant Hills of Wales by Myrddyn Phillips

The hill is adjoined to the Mynydd Preseli group of hills, which are situated in the south-western part of South Wales (Region B, Sub-Region B1), and it is positioned encircled by minor roads, with the A40 road farther to its south and the B4313 road farther to its east, and has the town of Arberth (Narberth) towards the south-east.

The hill appeared in the original Welsh 100m P30 list on Geoff Crowder’s v-g.me website, under the transposed and invented name of Broadway Hill, with an accompanying note stating; Name from Hamlet to the North-West.

Broadway Hill

112m

SN072185

158

Trig pillar. Name from Hamlet to the North-West.

During my early hill listing I thought it appropriate to either invent a name for a hill, or use a name that appeared near to the summit of the hill on Ordnance Survey maps of the day. My preference was to use farm names and put Pen, Bryn or Moel in front of them or as in this instance transpose the name of a small community and add the word Hill to it. This is not a practice that I now advocate as with time and inclination place-name data can be improved either by asking local people or by examining historic documents, through this form of research an appropriate name for the hill can usually be found.

Extract from the Ordnance Survey 1:25,000 Explorer map

Extract from the Tithe map

The enclosed land where the summit of this hill is situated is given the number 26 on the Tithe map, this can be cross referenced against the apportionments; it is these apportionments that give the name of the owner or occupier of the land as well as the name of the land. The land where the summit of this hill is situated is named as Mount Park in the apportionments, with the details on the Tithe map appearing in the parish of Llanhuadain and in the county named as Pemroke.

Extract from the apportionments

Therefore, the name this hill is now listed by in the 100m Twmpau and Y Trechol – The Dominant Hills of Wales is Mount Park, and this was derived from the Tithe map.

The full details for the hill are:

Group: Mynydd Preseli

Name: Mount Park

Previously Listed Name: Broadway Hill

OS 1:50,000 map: 158

Summit Height: 111.6m (LIDAR)

Summit Grid Reference: SN 07203 18543 (LIDAR)

Bwlch Height: 63.8m (LIDAR)

Bwlch Grid Reference: SN 04900 17196 (LIDAR)

Drop: 47.8m (LIDAR)

Dominance: 42.82% (LIDAR)

Myrddyn Phillips (May 2023)

Mapping Mountains - Significant Name Changes - Y Trechol - The Dominant Hills of Wales

Morris’ Meadow (SN 019 183) - 141st significant name change

Summit Relocations post for Morris' Meadow

Significant Height Revisions post for Morris' Meadow

LIDAR image of Morris' Meadow (SN 019 183)

The criteria for the two listings that this name change applies to are:

The 100m Twmpau by Myrddyn Phillips

Y Trechol - The Dominant Hills of Wales by Myrddyn Phillips

The hill is adjoined to the Mynydd Preseli group of hills, which are situated in the south-western part of South Wales (Region B, Sub-Region B1), and it is positioned encircled by minor roads, with the B4329 road farther to its west and the A40 road farther to its south, and has the town of Hwlffordd (Haverfordwest) towards the west south-west.

The hill appeared in the original Welsh 100m P30 list on Geoff Crowder’s v-g.me website, under the transposed name of Conkland Hill, which is a prominent name that appears on the Ordnance Survey 1:50,000 Landranger and 1:25,000 Explorer map to the south of this hill and which the latter map indicates is applicable to a mountain road.

Conkland Hill

122m

SN022182

157/158

Trig pillar at 113m to the East

During my early hill listing I thought it appropriate to either invent a name for a hill, or use a name that appeared near to the summit of the hill on Ordnance Survey maps of the day. My preference was to use farm names and put Pen, Bryn or Moel in front of them or as in this instance transpose the name of what the Ordnance Survey 1:25,000 Explorer map indicates is applicable to a mountain road and use it for that of the hill. This is not a practice that I now advocate as with time and inclination place-name data can be improved either by asking local people or by examining historic documents, through this form of research an appropriate name for the hill can usually be found.

Extract from the Ordnance Survey 1:25,000 Explorer map

Extract from the Tithe map

The enclosed land where the summit of this hill is situated is given the number 649 on the Tithe map, this can be cross referenced against the apportionments; it is these apportionments that give the name of the owner or occupier of the land as well as the name of the land. The land where the summit of this hill is situated is named as Morris’ Meadow in the apportionments, with the details on the Tithe map appearing in the parish of Cas-wis and in the county named as Pemroke.

Extract from the apportionments

Therefore, the name this hill is now listed by in the 100m Twmpau and Y Trechol – The Dominant Hills of Wales is Morris’ Meadow, and this was derived from the Tithe map.

The full details for the hill are:

Group: Mynydd Preseli

Name: Morris’ Meadow

Previously Listed Name: Conkland Hill

OS 1:50,000 map: 157, 158

Summit Height: 119.4m (LIDAR)

Summit Grid Reference: SN 01923 18373 (LIDAR)

Bwlch Height: 65.2m (LIDAR)

Bwlch Grid Reference: SN 01619 20933 (LIDAR)

Drop: 54.2m (LIDAR)

Dominance: 45.41% (LIDAR)

Myrddyn Phillips (May 2023)

Monday 15 May 2023

Mapping Mountains - Significant Name Changes - Y Trechol - The Dominant Hills of Wales

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