- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 52°29'34"N 3°55'2"W
- Eastings/Northings: 269918, 290066
- OS Grid: SN699900
- Mapcode Local: GBR 8Z.J43H
- Mapcode Global: VH4F2.1LVQ
Location and coordinates are for the approximate centre of Cwm Ceulan within this administrative area.
Geographic features and populated places may cross administrative borders.