- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 51°51'51"N 3°31'8"W
- Eastings/Northings: 295500, 219500
- OS Grid: SN955195
- Mapcode Local: GBR YH.SRRW
- Mapcode Global: VH5FT.YDHP
Location and coordinates are for the approximate centre of Nant Mawr within this administrative area.
Geographic features and populated places may cross administrative borders.