- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°33'55"N 3°3'17"W
- Eastings/Northings: 326974, 185692
- OS Grid: ST269856
- Mapcode Local: GBR J3.DN7S
- Mapcode Global: VH7BC.0XBB
Location and coordinates are for the approximate centre of Cwm Pensidan within this administrative area.
Geographic features and populated places may cross administrative borders.