- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°34'8"N 3°43'43"W
- Eastings/Northings: 280283, 186997
- OS Grid: SS802869
- Mapcode Local: GBR H6.D6T3
- Mapcode Global: VH5H2.BT3H
Location and coordinates are for the approximate centre of Cwm Bach within this administrative area.
Geographic features and populated places may cross administrative borders.