- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 51°55'28"N 4°14'53"W
- Eastings/Northings: 245500, 227500
- OS Grid: SN455275
- Mapcode Local: GBR DJ.NYQT
- Mapcode Global: VH3L4.9WZJ
Location and coordinates are for the approximate centre of Nant Cwm-ceir within this administrative area.
Geographic features and populated places may cross administrative borders.