- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°34'31"N 3°44'41"W
- Eastings/Northings: 279180, 187729
- OS Grid: SS791877
- Mapcode Local: GBR H5.CW7K
- Mapcode Global: VH5H2.1NLN
Location and coordinates are for the approximate centre of Cwm y Brombil within this administrative area.
Geographic features and populated places may cross administrative borders.