- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°49'28"N 3°21'21"W
- Eastings/Northings: 306642, 214868
- OS Grid: SO066148
- Mapcode Local: GBR YQ.WB5Q
- Mapcode Global: VH6CK.SD5M
Location and coordinates are for the approximate centre of Cwm Callan within this administrative area.
Geographic features and populated places may cross administrative borders.