- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°1'22"N 5°4'10"W
- Eastings/Northings: 189500, 240500
- OS Grid: SM895405
- Mapcode Local: GBR CF.GR7C
- Mapcode Global: VH1QD.2FT3
Location and coordinates are for the approximate centre of Carreg Onnen Bay within this administrative area.
Geographic features and populated places may cross administrative borders.