- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°40'9"N 3°42'32"W
- Eastings/Northings: 281902, 198123
- OS Grid: SS819981
- Mapcode Local: GBR H6.65Q4
- Mapcode Global: VH5GP.N9HL
Location and coordinates are for the approximate centre of Cwm Blaenpelenna within this administrative area.
Geographic features and populated places may cross administrative borders.