- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°51'15"N 4°10'39"W
- Eastings/Northings: 250119, 219555
- OS Grid: SN501195
- Mapcode Local: GBR DM.TBDZ
- Mapcode Global: VH3LK.JNS8
Location and coordinates are for the approximate centre of Cwm yr Abbey within this administrative area.
Geographic features and populated places may cross administrative borders.