- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 51°46'19"N 3°41'23"W
- Eastings/Northings: 283500, 209500
- OS Grid: SN835095
- Mapcode Local: GBR Y8.ZKF0
- Mapcode Global: VH5G4.0Q5F
Location and coordinates are for the approximate centre of Nant Melyn within this administrative area.
Geographic features and populated places may cross administrative borders.