- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°42'19"N 3°47'58"W
- Eastings/Northings: 278500, 313500
- OS Grid: SH785135
- Mapcode Local: GBR 94.2P3J
- Mapcode Global: WH681.L8V7
Location and coordinates are for the approximate centre of Nant Ceiswyn within this administrative area.
Geographic features and populated places may cross administrative borders.