- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 52°20'0"N 3°56'21"W
- Eastings/Northings: 267955, 272379
- OS Grid: SN679723
- Mapcode Local: GBR 8Y.V4QJ
- Mapcode Global: VH4FT.NLSX
Location and coordinates are for the approximate centre of Cwm Rhydyfelin within this administrative area.
Geographic features and populated places may cross administrative borders.