- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°39'9"N 3°9'2"W
- Eastings/Northings: 320486, 195478
- OS Grid: ST204954
- Mapcode Local: GBR HZ.7261
- Mapcode Global: VH6DG.BQPK
Location and coordinates are for the approximate centre of Cwm Pennar within this administrative area.
Geographic features and populated places may cross administrative borders.