- Category: Water Feature
- Type: Island
- Latitude/Longitude: 52°54'37"N 4°8'34"W
- Eastings/Northings: 256000, 336940
- OS Grid: SH560369
- Mapcode Local: GBR 5P.NN3W
- Mapcode Global: WH55S.B3GK
Location and coordinates are for the approximate centre of Careg Cnwc within this administrative area.
Geographic features and populated places may cross administrative borders.