- Category: Geographic Feature
- Type: Other Coastal Landform
- Latitude/Longitude: 52°0'7"N 5°4'40"W
- Eastings/Northings: 188830, 238224
- OS Grid: SM888382
- Mapcode Local: GBR CF.J34J
- Mapcode Global: VH1QC.XXXZ
Location and coordinates are for the approximate centre of Carreg Gerwynau within this administrative area.
Geographic features and populated places may cross administrative borders.