- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°29'7"N 3°39'7"W
- Eastings/Northings: 285382, 177558
- OS Grid: SS853775
- Mapcode Local: GBR H9.KN2M
- Mapcode Global: VH5HH.NX3R
Location and coordinates are for the approximate centre of Cwm y Gaer within this administrative area.
Geographic features and populated places may cross administrative borders.