- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°39'30"N 3°44'4"W
- Eastings/Northings: 280116, 196944
- OS Grid: SS801969
- Mapcode Local: GBR H5.6RCS
- Mapcode Global: VH5GP.7K1Y
Location and coordinates are for the approximate centre of Cwm Gwenffrwd within this administrative area.
Geographic features and populated places may cross administrative borders.