- Category: Water Feature
- Type: Island
- Latitude/Longitude: 50°13'32"N 5°24'22"W
- Eastings/Northings: 157146, 41730
- OS Grid: SW571417
- Mapcode Local: GBR FX12.SHM
- Mapcode Global: VH12G.7LSF
Location and coordinates are for the approximate centre of Bessack Rock within this administrative area.
Geographic features and populated places may cross administrative borders.