- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°21'9"N 3°56'48"W
- Eastings/Northings: 267500, 274500
- OS Grid: SN675745
- Mapcode Local: GBR 8Y.SWC2
- Mapcode Global: VH4FT.J4TD
Location and coordinates are for the approximate centre of Nant Magwr within this administrative area.
Geographic features and populated places may cross administrative borders.