- Category: Water Feature
- Type: Island
- Latitude/Longitude: 50°49'54"N 4°33'27"W
- Eastings/Northings: 219997, 106709
- OS Grid: SS199067
- Mapcode Local: GBR K1.WZ5X
- Mapcode Global: FRA 16BW.Y0P
Location and coordinates are for the approximate centre of Barrel Rock within this administrative area.
Geographic features and populated places may cross administrative borders.