New Welsh LIDAR - Twmpau, Simms and Dodds

 

New Welsh LIDAR – Twmpau, Simms and Dodds 

The release of new Welsh LIDAR has generated a number of status changes, including the following hills in the listing of Twmpau: 

 

500m Twmpau

Group	Name	Summit (m)	Summit GR	Bwlch (m)	Bwlch GR	Drop (m)	Change
Moelwyn Mawr	Pt. 511.7m	511.7	SH 69325 48552	491.7	SH 69253 48542	20.0	Sub-Twmpau addition
Y Llethr	Pt.551.8m	551.8	SH 66588 32216	531.65	SH 66333 32260	20.1	Sub-Twmpau addition

700m Twmpau

Group	Name	Summit (m)	Summit GR	Bwlch (m)	Bwlch GR	Drop (m)	Change
Arenig Fawr	Pt. 714.3m	714.3	SH 82741 35938	693.6	SH 82725 36128	20.7	Sub-Twmpau addition

The release of these new data has also generated a number of proposed status changes in the listings of the Simms and Dodds, including the following hills:

Simms

Group	Name	Summit (m)	Summit GR	Bwlch (m)	Bwlch GR	Drop (m)	Change
Yr Wyddfa	Y Lliwedd	893.2	SH 62402 53249	872.9	SH 62297 53267	20.3	Subsimm addition
Yr Wyddfa	Lliwedd Bach	819.0	SH 62750 53229	798.5	SH 62695 53204	20.5	Subsimm addition
Arenig Fawr	Pt. 714.3m	714.3	SH 82741 35938	693.6	SH 82725 36128	20.7	Subsimm addition

 

Dodds

Group	Name	Summit (m)	Summit GR	Bwlch (m)	Bwlch GR	Drop (m)	Change
Moelwyn Mawr	Craig Stwlan	568.7	SH 66736 44654	548.65	SH 66695 44714	20.0	Subdodd addition
Moelwyn Mawr	Pt. 511.7m	511.7	SH 69325 48552	491.7	SH 69253 48542	20.0	Subdodd addition
Arenig Fach	Y Ro Lwyd	534.3	SH 76110 50527	513.6	SH 76066 50598	20.7	Subdodd addition
Y Llethr	Garn Fach	559.8	SH 69782 22770	537.95	SH 69894 22881	21.8	Subdodd addition
Y Llethr	Pt.551.8m	551.8	SH 66588 32216	531.65	SH 66333 32260	20.1	Subdodd addition

Myrddyn Phillips and Aled Williams (March 2023)