- Category: Water Feature
- Type: Island
- Latitude/Longitude: 51°11'4"N 3°22'35"W
- Eastings/Northings: 303894, 143736
- OS Grid: ST038437
- Mapcode Local: GBR LN.5QFG
- Mapcode Global: VH6GN.FHC5
Location and coordinates are for the approximate centre of Gray Rock within this administrative area.
Geographic features and populated places may cross administrative borders.