- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 52°26'8"N 4°3'24"W
- Eastings/Northings: 260277, 283971
- OS Grid: SN602839
- Mapcode Local: GBR 8S.MRSJ
- Mapcode Global: VH4FC.M1PJ
Location and coordinates are for the approximate centre of Dyffryn Clarach within this administrative area.
Geographic features and populated places may cross administrative borders.