Monday, 9 January 2017

Mapping Mountains – Significant Name Changes – Y Trechol and Y Pedwarau

Clepyn Melyn (SN 961 464)

This is the sixty fifth 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 28th December 2016.

The hill is part of the Mynydd Epynt hill range, which is situated in the south-eastern part of Mid and West Wales (Region B, Sub-Region B-2), and is positioned above the B 4519 and between the small communities of Garth to its north and Upper Chapel to its south-east. 

Clepyn Melyn (SN 961 464)

The hill appeared in the 400m P30 list on Geoff Crowder’s website under the name Mynydd Eppynt, which is the name and composition that appeared relatively close to the summit of the hill on Ordnance Survey 1:50,000 Landranger and 1:25,000 Explorer maps of the day.  This listing of hills is now co-authored with Aled Williams and known as Y Pedwarau, and the height of the hill was confirmed by the survey with the Trimble, having been previously analysed via LIDAR data.  The hill is also included in Y Trechol – The Dominant Hills of Wales as a Lesser Welsh Dominant hill, a list authored by Myrddyn Phillips.  

Mynydd Eppynt
    Marilyn.   Clem/Yeaman.

Hill list authors are prone to list a hill by the name that appears nearest to its summit on Ordnance Survey maps, without much consideration for its local or historical confirmation, or whether map placement is appropriate, and in the case of Mynydd Eppynt (the name is now presented on Ordnance Survey maps with a single ‘p’ as Mynydd Epynt) the name is more appropriately associated with the hill range rather than an individual hill.  However, place-name data can be improved by asking local people and examining historical documents, and in the case of this hill it was a local farmer who gave the name Clepyn Melyn for land near to the summit, which to the authors knowledge is the main named feature of this hill and therefore appropriate to use for listing purposes.

Therefore the name this hill is listed by in Y Pedwarau (Europeaklist May 2013 and Haroldstreet January 2014) is Clepyn Melyn and this was derived from local enquiry.

The full details for the hill are:

Group:  Mynydd Epynt

Name:  Clepyn Melyn

Previously Listed Name:  Mynydd Eppynt 

Summit Height:  475.7m (converted to OSGM15)

OS 1:50,000 map:  147

Summit Grid Reference:  SN 96124 46428 
Drop:  c 198

Myrddyn Phillips and Aled Williams (January 2017)

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