Mynydd Bach (SH 389 767)
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 confirmed by
LIDAR analysis, and a subsequent survey with the Trimble GeoXH 6000 conducted
by Myrddyn Phillips, with the latter taking place on the 28th
October 2018.
 |
| LIDAR summit image of Mynydd Bach |
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 with 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.
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, with
the Introduction to the Mapping Mountains publication of this list appearing on
the 3rd December 2015.
The hill is adjoined to the Ynys Môn group of hills, which are situated in the north-western part of
North Wales (Region A, Sub-Region A1), and
it has the A5 and A55 roads to its south, and has the village of Gwalchmai towards
its south.
This hill was first listed in the original Welsh
30-99m P30 list published on Geoff Crowder’s v-g.me website, under the transposed
name of Bryn-teg, which is a name
appearing near to the hill on contemporary Ordnance Survey maps and which I
presumed was the name of the hill, it is not, it is a name of a house.
Bryn-teg
|
95c
|
114
|
262/263
|
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 name on the map which I presumed to be 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 |
After visiting this hill I called at a number of
houses, including Bryn-teg hoping to make place-name enquiries. I was directed down the minor lane toward a
cottage, as I headed toward the cottage a man appeared
and walked toward a plot of land where his daughter was planning to live. Gwyn Thomas lived at one of the houses I’d
passed on the lane; the hill was on the other side of the road to where his
daughter was planning to live and was at the back of Gwyn’s house. I introduced myself and explained my interest
in hill names and asked if he knew a name for the hill; he replied immediately and
told me its name is Mynydd Bach.
 |
| Gwyn Thomas with Mynydd Bach in the background |
Therefore, the name this hill is now listed by in
the 30-99m Twmpau and Y Trechol – The Dominant Hills of Wales is
Mynydd Bach, and this was derived from local enquiry.
The full details for the hill are:
Group: Ynys Môn
Name: Mynydd Bach
Previously Listed Name:
Bryn-teg
OS 1:50,000 map: 114
Summit Height: 96.5m (converted
to OSGM15)
Summit Grid Reference:
SH 38964 76773
Bwlch Height: c 64m
Bwlch Grid Reference:
SH 40259 77918 (I)
Drop: c 32m
Dominance: 33.66%
Myrddyn Phillips (May 2019)
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