- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 52°0'13"N 3°24'1"W
- Eastings/Northings: 303958, 234845
- OS Grid: SO039348
- Mapcode Local: GBR YN.HZ0W
- Mapcode Global: VH6BL.0WMV
Location and coordinates are for the approximate centre of Cwm Lloegr within this administrative area.
Geographic features and populated places may cross administrative borders.