- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 52°26'25"N 3°32'1"W
- Eastings/Northings: 295835, 283587
- OS Grid: SN958835
- Mapcode Local: GBR 9H.M8LJ
- Mapcode Global: VH5BX.PXNN
Location and coordinates are for the approximate centre of Cwm Jonathan within this administrative area.
Geographic features and populated places may cross administrative borders.