- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 51°33'42"N 3°30'38"W
- Eastings/Northings: 295370, 185840
- OS Grid: SS953858
- Mapcode Local: GBR HH.DTWF
- Mapcode Global: VH5HD.30BM
Location and coordinates are for the approximate centre of Mynydd y Gaer within this administrative area.
Geographic features and populated places may cross administrative borders.