Thursday 18 September 2014

Mapping Mountains – Hill Reclassifications – Y Pedwarau


Derlwyn (SH 588 586) - 400m Sub-Pedwar addition 

There has been an addition to the 400m Sub-Pedwar category through surveying with the Trimble GeoXH 6000.  The hill is named Derlwyn (SH 588 586) and it is situated on the Llanberis ridge of Yr Wyddfa.  The summit area is crowned by small outcrops of rock and has fine views southward towards Crib y Ddysgl and Yr Wyddfa and eastward toward the high peaks of the Glyderau.

The hill will be added to the Y Pedwarau list in the 2nd edition that will hopefully be published by Europeaklist.  The list of Pedwar hills is also available from the Haroldstreet website.



The full details for the hill are:

Cardinal Hill:  Yr Wyddfa

Summit Height:  416.4m (converted to OSGM15)

Name:  Derlwyn

OS 1:50,000 map:  115

Summit Grid Reference:  SH 588 586

Drop:  20.4m (converted to OSGM15)


Derlwyn (SH 588 586) the new 400m Sub-Pedwar

For details on the survey that promoted this hill to 400m Sub-Pedwar status please click {here}



Myrddyn Phillips and Aled Williams (September 2014)

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