Prysiau Fawr (SN 914 481)
There has been a Significant Name Change to a hill that is listed in the 200m Twmpau, with the summit height, bwlch height and their locations, the drop and status of the hill derived from LIDAR analysis conducted by Myrddyn Phillips.
LIDAR image of Prysiau Fawr (SN 914 481) |
The criteria for the list 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 |
The hill is adjoined to the Drygarn Fawr group of
hills, which are situated in the central
part of South Wales (Region B, Sub-Region B1), and it is positioned with minor roads to its north and
south-east, and the A483 road to its north-east and west, and has the town of
Llanwrtyd towards the west south-west.
When the original 200m 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 Bryn
Prysiau, with
an accompanying note stating; Name from
buildings to the North-West.
Bryn Prysiau | 240m | SN914481 | 147 | 188 | Name from buildings 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. 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 384 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 a part of Prysiau Fawr farm in the apportionments, with
the details
on the Tithe map appearing in the parish of
Llangamarch, and in the county named as Brecon.
Extract from the apportionments |
Therefore, the name this hill
is now listed by in the 200m Twmpau is
Prysiau Fawr, and
this was derived from the Tithe map.
The full details for the hill are:
Group: Drygarn Fawr
Name: Prysiau Fawr
Previously Listed Name:
Bryn Prysiau
OS 1:50,000 map: 147
Summit Height: 239.5m (LIDAR)
Summit Grid Reference: SN 91406 48141 (LIDAR)
Bwlch Height: 214.8m (LIDAR)
Bwlch Grid Reference: SN 91321 48369 (LIDAR)
Drop: 24.7m (LIDAR)
Myrddyn Phillips (June
2024)
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