- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°54'2"N 3°18'8"W
- Eastings/Northings: 312500, 334500
- OS Grid: SJ125345
- Mapcode Local: GBR 6S.P8BF
- Mapcode Global: WH78G.7CR0
Location and coordinates are for the approximate centre of Nant Cwm-llawenog within this administrative area.
Geographic features and populated places may cross administrative borders.