- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 52°5'32"N 3°34'34"W
- Eastings/Northings: 292113, 244946
- OS Grid: SN921449
- Mapcode Local: GBR YF.B9LC
- Mapcode Global: VH5DM.YNRX
Location and coordinates are for the approximate centre of Cwm yr Annell within this administrative area.
Geographic features and populated places may cross administrative borders.