- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°38'54"N 3°36'39"W
- Eastings/Northings: 288636, 195634
- OS Grid: SS886956
- Mapcode Local: GBR HC.76G3
- Mapcode Global: VH5GR.CTCQ
Location and coordinates are for the approximate centre of Cwm Nantyfedw within this administrative area.
Geographic features and populated places may cross administrative borders.