- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 52°13'9"N 3°38'42"W
- Eastings/Northings: 287708, 259164
- OS Grid: SN877591
- Mapcode Local: GBR YB.2BH0
- Mapcode Global: VH5D0.RHS3
Location and coordinates are for the approximate centre of Carreg yr Ast within this administrative area.
Geographic features and populated places may cross administrative borders.