- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°31'11"N 3°35'8"W
- Eastings/Northings: 292500, 292500
- OS Grid: SN925925
- Mapcode Local: GBR 9F.G7V3
- Mapcode Global: VH5BH.SXQR
Location and coordinates are for the approximate centre of Nant Cwmgwernog within this administrative area.
Geographic features and populated places may cross administrative borders.