- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 51°32'28"N 3°27'53"W
- Eastings/Northings: 298500, 183500
- OS Grid: SS985835
- Mapcode Local: GBR HK.G153
- Mapcode Global: VH5HD.WJKB
Location and coordinates are for the approximate centre of Nant Ciwc within this administrative area.
Geographic features and populated places may cross administrative borders.