- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 52°50'1"N 3°23'25"W
- Eastings/Northings: 306430, 327162
- OS Grid: SJ064271
- Mapcode Local: GBR 6N.TJY9
- Mapcode Global: WH78S.W1PC
Location and coordinates are for the approximate centre of Cwm Glan-Hafon within this administrative area.
Geographic features and populated places may cross administrative borders.