- Category: Water Feature
- Type: Island
- Latitude/Longitude: 57°19'53"N 1°57'9"W
- Eastings/Northings: 402951, 826791
- OS Grid: NK029267
- Mapcode Local: GBR P9JB.Q4C
- Mapcode Global: WH9PT.ZZBD
Location and coordinates are for the approximate centre of Hackley Head within this administrative area.
Geographic features and populated places may cross administrative borders.