- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 52°22'38"N 3°9'7"W
- Eastings/Northings: 321668, 276121
- OS Grid: SO216761
- Mapcode Local: GBR B0.R6MF
- Mapcode Global: VH68Z.9HYR
Location and coordinates are for the approximate centre of Cwm yr Eurych within this administrative area.
Geographic features and populated places may cross administrative borders.