- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 52°11'58"N 3°30'17"W
- Eastings/Northings: 297249, 256771
- OS Grid: SN972567
- Mapcode Local: GBR YJ.3H8N
- Mapcode Global: VH5D3.6ZH5
Location and coordinates are for the approximate centre of Cwm Chwefri within this administrative area.
Geographic features and populated places may cross administrative borders.