- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 52°46'4"N 3°35'30"W
- Eastings/Northings: 292704, 320124
- OS Grid: SH927201
- Mapcode Local: GBR 6D.YQ0K
- Mapcode Global: WH67R.SPTB
Location and coordinates are for the approximate centre of Carreg y Bîg within this administrative area.
Geographic features and populated places may cross administrative borders.