- Category: Water Feature
- Type: Island
- Latitude/Longitude: 51°0'50"N 4°25'35"W
- Eastings/Northings: 229891, 126643
- OS Grid: SS298266
- Mapcode Local: GBR K7.JGGF
- Mapcode Global: FRA 16MF.MC5
Location and coordinates are for the approximate centre of Blackchurch Rock within this administrative area.
Geographic features and populated places may cross administrative borders.