- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°26'4"N 3°35'13"W
- Eastings/Northings: 289785, 171820
- OS Grid: SS897718
- Mapcode Local: GBR HD.NSK7
- Mapcode Global: VH5HX.S62K
Location and coordinates are for the approximate centre of Cwm Bach within this administrative area.
Geographic features and populated places may cross administrative borders.