Monday, 26 September 2016

Mapping Mountains – Significant Name Changes – 100m Twmpau

The Pimple (SJ 299 472)

This is the forty second 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 20th October 2015.

The hill is part of the group of hills associated with Moel y Gamelin, this range of hills are situated in the north-eastern part of north Wales.  The hill is positioned above the B 5426 and B 5605 and is situated on the northern outskirts of Rhosllanerchrugog.

The Trimble GeoXH 6000 gathering data at the summit of The Pimple

Prior to the survey with the Trimble GeoXH 6000 the hill was not classified as it had not appeared in any known listing of hills.  The listing this hill is now a part of is named Twmpau (thirty welsh metre prominences and upward) and its height and classification was confirmed by the survey with the Trimble.
Extract from the current Ordnance Survey 1:50,000 Landranger map

Extract from the Ordnance Survey 1:25,000 Explorer map

Therefore, although there is no change in this hill’s listed name it is worth categorising under the heading of Significant Name Changes as the name this hill is now listed by comes from local enquiry. 

The Pimple is a locally known name for the summit of the hill and is known as such by the family who live in the house directly below the hill to the west beside the area of the hill’s bwlch.  The house used to be the old office of the mine that operated on a part of the hill, and the family confirmed that this name has been in use for generations and that their family have lived in this house for five generations.

The full details for the hill are:

Group:  Moel y Gamelin

Name:  The Pimple

Previously Listed Name:  Previously not classified 

Summit Height:  153.5m (converted to OSGM15)

OS 1:50,000 map:  117

Summit Grid Reference:  SJ 29984 47262 
Drop:  25.2m

Myrddyn Phillips (September 2016)

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