- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 51°54'20"N 4°17'27"W
- Eastings/Northings: 242500, 225500
- OS Grid: SN425255
- Mapcode Local: GBR DH.Q0BJ
- Mapcode Global: VH3L9.KCYF
Location and coordinates are for the approximate centre of Nant Brechfa within this administrative area.
Geographic features and populated places may cross administrative borders.