- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°54'33"N 3°14'12"W
- Eastings/Northings: 315011, 224128
- OS Grid: SO150241
- Mapcode Local: GBR YW.PXC0
- Mapcode Global: VH6C7.V84R
Location and coordinates are for the approximate centre of Cwm Nantyfelin within this administrative area.
Geographic features and populated places may cross administrative borders.