- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°23'57"N 3°17'41"W
- Eastings/Northings: 310026, 167487
- OS Grid: ST100674
- Mapcode Local: GBR HS.R1Z3
- Mapcode Global: VH6FQ.V314
Location and coordinates are for the approximate centre of Cwm Barri within this administrative area.
Geographic features and populated places may cross administrative borders.