Saturday, 9 July 2016

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


Cerrig Coegion (SN 790 176)

There has been a Significant Name Change to a hill that appears in the following lists; Y Pellennig - The Remotest Hills of Wales and Y Pedwarauwith the following details relating to a hill that was surveyed with the Trimble GeoXH 6000 on the 10th July 2014.

The criteria for the two listings that this name change affects are:

Y Pellennig –The Remotest Hills of Wales comprise all Welsh hills whose summit is 2.5km or more from the nearest paved public road and which have a minimum 15m of drop.  The list is co-authored by Myrddyn Phillips and Aled Williams.

Y Pedwarau These are the Welsh hills at and above 400m and below 500m in height that have 30m minimum drop,  with the introduction to the publication of this list on Mapping Mountains appearing on the 30th January 2017.  The list is co-authored by Myrddyn Phillips and Aled Williams.

The hill is situated in the Y Mynydd Du, this range of hills forms the western part of the Brecon Beacons National Park (Parc Cenedlaethol Bannau Brycheiniog), and takes in the remotest land in mainland Wales with the hill listed as the third remotest in distance from its summit to the nearest paved public road in the whole of mainland Wales.  The nearest towns to the hill are Ystradgynlais to the south and the small community of Glyntawe to the east.  

The Trimble GeoXH 6000 gathering data at the summit of Cerrig Coegion (SN 790 176)

The hill first made an appearance in a hill list as Pen Bwlch y Ddeuwynt in the The Welsh 400m Peaks which was compiled by Myrddyn Phillips and made available to the rhb Yahoo Group file database by Rob Woodall in 2002.  This listing was subsequently published on Geoff Crowder’s v-g.me website in 2004 and was the originator for the list named Y Pedwarau and which is now co-authored with Aled Williams.

The hill originally appeared in the rhb Yahoo Group file database and the v-g.me website under an invented name; Pen Bwlch y Ddeuwynt, with an accompanying note on the v-g.me website stating; Name from bwlch to the North-West.  As was my liking during my early hill listing I thought it appropriate to invent a name for a hill if no name seemed to appear for it on Ordnance Survey maps of the day.  My preference was to use the nearest name to the summit that appeared on the map and prefix it with the word Pen, Bryn or Moel.  This is not a practice that I now advocate as with research either conducted locally or historically an appropriate name for the hill can usually be found.  Extensive place-name research has subsequently taken place for the hill range of Y Mynydd Du and these details are included in Y Pedwarau and Y Pellennig – The Remotest Hills of Wales.


Pen Bwlch y Ddeuwynt
    474m
    SN791176
    160
  12
    Trig pillar at 471m to the South. Name from bwlch to the North-West.


The name this hill is now listed by in the Y Pedwarau and Y Pellennig – The Remotest Hills of Wales is Cerrig Coegion.  This name was derived from local enquiry as well as historical documentation with the following brief explanation appearing in the booklet version of Y Pellennig – The Remotest Hills of Wales:

The name is also recorded in ‘Bugail y Mynydd Du’ by Rhys Davies.



The full details for the hill are:

Group:  Y Mynydd Du

Name:  Cerrig Coegion

Previously Listed Name:  Pen Bwlch y Ddeuwynt 
  
Summit Height:  473.4m (converted to OSGM15)

OS 1:50,000 map:  160

Summit Grid Reference:  SN 79087 17673
  
Drop:  c 56m




Myrddyn Phillips and Aled Williams (July 2016)




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