- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°44'44"N 4°1'53"W
- Eastings/Northings: 259837, 207189
- OS Grid: SN598071
- Mapcode Local: GBR GW.M0NR
- Mapcode Global: VH4JP.2DG0
Location and coordinates are for the approximate centre of Cwm Darren within this administrative area.
Geographic features and populated places may cross administrative borders.