- Category: Water Feature
- Type: Island
- Latitude/Longitude: 53°24'52"N 4°27'13"W
- Eastings/Northings: 237025, 393659
- OS Grid: SH370936
- Mapcode Local: GBR HMCP.4P5
- Mapcode Global: WH41Z.KFFQ
Location and coordinates are for the approximate centre of Carreg Samson within this administrative area.
Geographic features and populated places may cross administrative borders.