- Category: Water Feature
- Type: Island
- Latitude/Longitude: 52°6'55"N 4°43'25"W
- Eastings/Northings: 213599, 249838
- OS Grid: SN135498
- Mapcode Local: GBR CX.8T35
- Mapcode Global: VH2MN.23K5
Location and coordinates are for the approximate centre of Careg Aderyn within this administrative area.
Geographic features and populated places may cross administrative borders.