- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°56'55"N 3°45'54"W
- Eastings/Northings: 281500, 340500
- OS Grid: SH815405
- Mapcode Local: GBR 65.L9VQ
- Mapcode Global: WH66X.44CR
Location and coordinates are for the approximate centre of Nantrhos-ddu within this administrative area.
Geographic features and populated places may cross administrative borders.