- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 51°57'55"N 4°50'49"W
- Eastings/Northings: 204500, 233500
- OS Grid: SN045335
- Mapcode Local: GBR CR.L6CS
- Mapcode Global: VH1QP.XVVM
Location and coordinates are for the approximate centre of Afon Cwmau within this administrative area.
Geographic features and populated places may cross administrative borders.