Friday, 19 August 2016

Mapping Mountains – Significant Name Changes – Y Pedwarau

Y Graig Wen (SJ 240 371)

This is the twenty seventh post under the heading of Significant Name Changes, and the following details are in respect of a hill that was surveyed with the Trimble GeoXH 6000 on the 17th July 2015.

The hill is part of Y Berwyn, which is an extensive group of hills situated in the south-eastern part of north Wales.  The hill is positioned between the small communities of Llwynmawr to the west, Craignant and Selattyn to the south-east and Bronygarth to the east.

The Trimble GeoXH 6000 gathering data at the summit of Y Graig Wen

The hill appeared in the 400m P30 list on Geoff Crowder’s website under the invented name Pen Llwynmawr, with an accompanying note stating; Name from village to the West.  This listing of hills is now co-authored with Aled Williams and known as Y Pedwarau.  

Pen Llwynmawr
    Name from village 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, use the name of a near village.  This is not a practice that I now advocate as with a little research either conducted locally or historically an appropriate name for the hill can usually be found.  

Since publication of these P30 lists on Geoff Crowder’s website there have been a number of Ordnance Survey maps made available online, some of these are historical 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 enlarged map on the Geograph website.  One of the historical maps now available is the Ordnance Survey Draft Surveyors map which formed the basis for the first publicly available Ordnance Survey One-Inch ‘Old Series’ map. 

The name this hill is now listed by in Y Pedwarau (Europeaklist and Haroldstreet 2013) is Y Graig Wen, and this was derived from the Ordnance Survey Draft Surveyors map.

Extract from the Ordnance Survey Draft Surveyors map naming the hill as Y Graig Wen

The full details for the hill are:

Group:  Y Berwyn

Name:  Y Graig Wen

Previously Listed Name:  Pen Llwynmawr 

Summit Height:  406.9m (converted to OSGM15)

OS 1:50,000 map:  126

Summit Grid Reference:  SJ 24068 37100  

Drop:  53.5m

Myrddyn Phillips and Aled Williams (August 2016)

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