Pen y Coed (SN 569 049)
There has been a Significant Name Change to a hill that is listed in the 30-99m 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 Pen y Coed (SN 569 049) |
The criteria for the list 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 |
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 B4306 road to its north-east, a minor road to its
south-west, and the M4 motorway to its south-east, and has the town of
Pontarddulais towards the south-east.
When the original 30-99m height band of Welsh P30 hills were published on Geoff Crowder’s v-g.me website, this hill was not
included in the Hills to be surveyed
sub list, as it was considered not to meet the criteria then used for this sub
category.
After the sub list was standardised, and
interpolated heights and drop values also included the details for this hill
were re-evaluated and it was listed under the point (Pt. 88m) notation with an
estimated c 20m of drop, based on the 88m summit spot height that appears on
the contemporary Ordnance Survey 1:25,000 Explorer map and an estimated c 68m
bwlch height, based on interpolation of 5m contouring between 65m – 70m.
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 318 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 Pen y Coed in
the apportionments, with the details on the Tithe map appearing
in the parish of Llanon and in the county named as Carmarthenshire.
Extract from the apportionments |
Therefore, the name this hill is now listed by in
the 30-99m Twmpau is Pen y Coed, and
this was derived from the Tithe map.
The full details for the hill are:
Group: Mynydd Sylen
Name: Pen y Coed
Previously Listed Name:
Pt. 88m
OS 1:50,000 map: 159
Summit Height: 89.2m (LIDAR)
Summit Grid Reference: SN 56986 04941 (LIDAR)
Bwlch Height: 68.0m (LIDAR)
Bwlch Grid Reference: SN 56691 04800 (LIDAR)
Drop: 21.2m (LIDAR)
Myrddyn Phillips
(September 2024)
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