Parc Llwyn Du (SN 428 188)
There has been a Significant Name Change to a hill
that is listed in the 100m Twmpau, with
the summit height and its location, drop and status of the hill initially
confirmed by LIDAR analysis and subsequently by a summit survey with the
Trimble GeoXH 6000 which were conducted by Myrddyn Phillips, with latter taking
place on the 31st July 2018.
 |
| Parc Llwyn Du (SN 428 188) |
The criteria for the list that this name change
applies to are:
100m Twmpau - Welsh hills at or above 100m and below 200m in height with 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.
The hill is adjoined to the
Mynydd Sylen group of hills, which are situated in
the western part of South Wales (Region C, Sub-Region C1), and is positioned with
the A 48 road to its south and the B 4300 road to its north, and has the town
of Caerfyrddin (Carmarthen) to the north-west.
The hill originally appeared in the 100m P30 list
on Geoff Crowder’s v-g.me website under the invented name of Bryn Pen-sarn, with an accompanying note stating; Name from town to the North-West.
Bryn Pen-sarn
|
104m
|
159
|
177
|
Name from town 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 use the name given to a village and precede it with the word Bryn.
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.
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.
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| Extract from the Tithe map |
The enclosed land where the summit of this hill is
situated is given the number 179 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 Park Llwyndu in the apportionments, with the details on the Tithe map appearing in the parish of Llangunnor and in the
county named as Carmarthen.
 |
| Extract from the apportionments |
Therefore, the name this hill is now listed by in
the 100m Twmpau is Parc Llwyn Du, and
this was derived from the Tithe map.
The full details for the hill are:
Group: Mynydd Sylen
Name: Parc Llwyn Du
Previously Listed Name:
Bryn Pen-sarn
OS 1:50,000 map: 159
Summit Height: 104.3m (converted
to OSGM15, natural summit)
Summit Grid Reference:
SN
42895 18827
Bwlch Height: 73.4m (LIDAR)
Bwlch Grid Reference: SN 43247 18917 (LIDAR)
Drop: 30.8m (Trimble
summit and LIDAR bwlch)
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