- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°42'18"N 3°16'58"W
- Eastings/Northings: 311446, 201493
- OS Grid: SO114014
- Mapcode Local: GBR HS.3YR7
- Mapcode Global: VH6D6.1DSN
Location and coordinates are for the approximate centre of Cwm Pontgarreg within this administrative area.
Geographic features and populated places may cross administrative borders.