- Category: Water Feature
- Type: Island
- Latitude/Longitude: 51°36'37"N 2°37'17"W
- Eastings/Northings: 357052, 190356
- OS Grid: ST570903
- Mapcode Local: GBR JP.9P8P
- Mapcode Global: VH87V.HSXB
Location and coordinates are for the approximate centre of Blackstone within this administrative area.
Geographic features and populated places may cross administrative borders.