- Category: Water Feature
- Type: Island
- Latitude/Longitude: 52°6'22"N 4°44'44"W
- Eastings/Northings: 212061, 248887
- OS Grid: SN120488
- Mapcode Local: GBR CW.9FHQ
- Mapcode Global: VH2MM.PBH4
Location and coordinates are for the approximate centre of Carreg Lion within this administrative area.
Geographic features and populated places may cross administrative borders.