- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 51°56'31"N 3°28'15"W
- Eastings/Northings: 298982, 228076
- OS Grid: SN989280
- Mapcode Local: GBR YK.MZLC
- Mapcode Global: VH5FG.SGC3
Location and coordinates are for the approximate centre of Twyn y Gaer within this administrative area.
Geographic features and populated places may cross administrative borders.