- Category: Water Feature
- Type: Island
- Latitude/Longitude: 50°27'35"N 3°32'6"W
- Eastings/Northings: 291132, 63350
- OS Grid: SX911633
- Mapcode Local: GBR QV.XHCF
- Mapcode Global: FRA 37HV.0M4
Location and coordinates are for the approximate centre of Harbreck Rock within this administrative area.
Geographic features and populated places may cross administrative borders.