- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°58'44"N 4°54'58"W
- Eastings/Northings: 199811, 235173
- OS Grid: SM998351
- Mapcode Local: GBR CN.KF63
- Mapcode Global: VH1QN.QJSB
Location and coordinates are for the approximate centre of Cwm Gwaun within this administrative area.
Geographic features and populated places may cross administrative borders.