- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°39'12"N 3°4'29"W
- Eastings/Northings: 325732, 195524
- OS Grid: ST257955
- Mapcode Local: GBR J2.737V
- Mapcode Global: VH79Y.NP8Q
Location and coordinates are for the approximate centre of Nant Carn within this administrative area.
Geographic features and populated places may cross administrative borders.