- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°44'32"N 3°44'31"W
- Eastings/Northings: 282500, 317500
- OS Grid: SH825175
- Mapcode Local: GBR 96.0CBG
- Mapcode Global: WH67W.HBBJ
Location and coordinates are for the approximate centre of Nant y Graig-wen within this administrative area.
Geographic features and populated places may cross administrative borders.