- Category: Water Feature
- Type: Island
- Latitude/Longitude: 52°4'39"N 4°45'59"W
- Eastings/Northings: 210515, 245735
- OS Grid: SN105457
- Mapcode Local: GBR CV.C8CD
- Mapcode Global: VH2MT.B1HQ
Location and coordinates are for the approximate centre of Careg Wylan within this administrative area.
Geographic features and populated places may cross administrative borders.