- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°36'31"N 3°34'0"W
- Eastings/Northings: 291602, 191142
- OS Grid: SS916911
- Mapcode Local: GBR HD.9ZGQ
- Mapcode Global: VH5GZ.4T7N
Location and coordinates are for the approximate centre of Cwm Fforch-Wen within this administrative area.
Geographic features and populated places may cross administrative borders.