- Category: Water Feature
- Type: Island
- Latitude/Longitude: 51°13'58"N 3°49'18"W
- Eastings/Northings: 272905, 149758
- OS Grid: SS729497
- Mapcode Local: GBR L1.2RLR
- Mapcode Global: VH4M9.P8YS
Location and coordinates are for the approximate centre of Black Rocks within this administrative area.
Geographic features and populated places may cross administrative borders.