- Category: Water Feature
- Type: Island
- Latitude/Longitude: 51°52'6"N 2°15'35"W
- Eastings/Northings: 382205, 218916
- OS Grid: SO822189
- Mapcode Local: GBR 0JM.ZCT
- Mapcode Global: VH94B.S95G
Location and coordinates are for the approximate centre of Alney Island within this administrative area.
Geographic features and populated places may cross administrative borders.