- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°31'32"N 3°47'32"W
- Eastings/Northings: 278500, 293500
- OS Grid: SN785935
- Mapcode Local: GBR 94.FYSB
- Mapcode Global: VH5BD.7S03
Location and coordinates are for the approximate centre of Nant Tarren-fedw-ddu within this administrative area.
Geographic features and populated places may cross administrative borders.