- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 52°18'43"N 4°3'24"W
- Eastings/Northings: 259892, 270211
- OS Grid: SN598702
- Mapcode Local: GBR 8S.WKTM
- Mapcode Global: VH4FY.M4RW
Location and coordinates are for the approximate centre of Cwm Beidog within this administrative area.
Geographic features and populated places may cross administrative borders.