- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 51°38'39"N 3°5'33"W
- Eastings/Northings: 324500, 194500
- OS Grid: ST245945
- Mapcode Local: GBR J1.7QTG
- Mapcode Global: VH79Y.BXZX
Location and coordinates are for the approximate centre of Nant Carn within this administrative area.
Geographic features and populated places may cross administrative borders.