- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°34'56"N 3°36'4"W
- Eastings/Northings: 289142, 188264
- OS Grid: SS891882
- Mapcode Local: GBR HC.CGV1
- Mapcode Global: VH5H4.JHGC
Location and coordinates are for the approximate centre of Cwm Cedfyw within this administrative area.
Geographic features and populated places may cross administrative borders.