- Category: Water Feature
- Type: Island
- Latitude/Longitude: 50°13'9"N 3°38'23"W
- Eastings/Northings: 283115, 36755
- OS Grid: SX831367
- Mapcode Local: GBR QQ.MLLB
- Mapcode Global: FRA 388F.V4Y
Location and coordinates are for the approximate centre of Black Stone within this administrative area.
Geographic features and populated places may cross administrative borders.