- Category: Water Feature
- Type: Island
- Latitude/Longitude: 52°3'46"N 4°47'8"W
- Eastings/Northings: 209142, 244166
- OS Grid: SN091441
- Mapcode Local: GBR CT.D3MQ
- Mapcode Global: VH2MT.0DCX
Location and coordinates are for the approximate centre of Carreg Bica within this administrative area.
Geographic features and populated places may cross administrative borders.