- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°58'49"N 4°50'50"W
- Eastings/Northings: 204546, 235152
- OS Grid: SN045351
- Mapcode Local: GBR CR.KD8V
- Mapcode Global: VH1QP.XHP5
Location and coordinates are for the approximate centre of Cwm Bach within this administrative area.
Geographic features and populated places may cross administrative borders.