- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 52°20'49"N 3°47'50"W
- Eastings/Northings: 277664, 273620
- OS Grid: SN776736
- Mapcode Local: GBR 94.T9P6
- Mapcode Global: VH5CC.48BM
Location and coordinates are for the approximate centre of Cwm Ystwyth within this administrative area.
Geographic features and populated places may cross administrative borders.