Saturday, 12 August 2017

Mapping Mountains – Hill Reclassifications – 200m Twmpau

Y Pincin (SH 723 581) – 200m Twmpau addition

There has been a confirmation of an addition to the 200m Twmpau (thirty welsh metre prominences and upward) ranks of hills due to a survey with the Trimble GeoXH 6000, with these details being retrospective as the survey that confirmed this addition was conducted on the 24th December 2013.

The criteria for 200m Twmpau status is all Welsh hills at or above 200m and below 300m in height with 30m minimum drop, with an accompanying sub list entitled the 200m Sub-Twmpau with the criteria for this sub category being all Welsh hills at or above 200m and below 300m in height with 20m or more and below 30m of drop. 

This hill did not appear in the original Welsh P30 lists when published on Geoff Crowder’s website even though the hill is given a 264m summit spot height on the Ordnance Survey 1:25,000 Explorer map and has bwlch contouring between 220m – 230m.  Its addition to the P30 ranks was announced shortly before the hill was surveyed with the Trimble GeoXH 6000, and prior to this survey the hill was listed with c 36m of drop.

The name of the hill is Y Pincin and it is situated in the Carneddau range with its Cardinal Hill being Creigiau Gleision (SH 729 615) and is positioned immediately above the A5 road which is to its south and the small community of Capel Curig.

The upper section of the hill is a part of designated open access land, with a public footpath leaving Capel Curig to the west of the hill and heading toward the summit.  Although this hill makes an enjoyable walk and scramble in its own right, a more fulfilling experience can be had when combining it with its higher neighbours toward the north.

The full details for the hill are:

Cardinal Hill:  Creigiau Gleision

Summit Height:  263.5m (converted to OSGM15)

Name:  Y Pincin

OS 1:50,000 map:  115

Summit Grid Reference:  SH 72357 58126

Drop:  34.7m (converted to OSGM15)

Y Pincin (SH 723 581) has now been confirmed as a 200m Twmpau by a survey with the Trimble GeoXH 6000

Myrddyn Phillips (August 2017)

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