- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°43'37"N 4°12'0"W
- Eastings/Northings: 248149, 205450
- OS Grid: SN481054
- Mapcode Local: GBR GR.SB65
- Mapcode Global: VH3M4.4VY9
Location and coordinates are for the approximate centre of Cwm Cil-feri within this administrative area.
Geographic features and populated places may cross administrative borders.