- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°42'15"N 3°15'35"W
- Eastings/Northings: 313036, 201374
- OS Grid: SO130013
- Mapcode Local: GBR HT.3YHS
- Mapcode Global: VH6D6.FFZ8
Location and coordinates are for the approximate centre of Cwm Ysgwydd-gwyn within this administrative area.
Geographic features and populated places may cross administrative borders.