- Category: Water Feature
- Type: Island
- Latitude/Longitude: 55°38'35"N 1°36'30"W
- Eastings/Northings: 424742, 638912
- OS Grid: NU247389
- Mapcode Local: GBR K365.KY
- Mapcode Global: WHC0G.8F98
Location and coordinates are for the approximate centre of Longstone within this administrative area.
Geographic features and populated places may cross administrative borders.