- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°51'39"N 3°36'46"W
- Eastings/Northings: 291500, 330500
- OS Grid: SH915305
- Mapcode Local: GBR 6C.RYMJ
- Mapcode Global: WH67C.GCR0
Location and coordinates are for the approximate centre of Nant Rhyd-wen within this administrative area.
Geographic features and populated places may cross administrative borders.