- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°33'35"N 3°3'25"W
- Eastings/Northings: 326813, 185075
- OS Grid: ST268850
- Mapcode Local: GBR J3.DV10
- Mapcode Global: VH7BJ.Y2P2
Location and coordinates are for the approximate centre of Cwm y Wrach within this administrative area.
Geographic features and populated places may cross administrative borders.