- Category: Water Feature
- Type: Island
- Latitude/Longitude: 50°34'16"N 3°28'2"W
- Eastings/Northings: 296177, 75647
- OS Grid: SX961756
- Mapcode Local: GBR P2.S527
- Mapcode Global: FRA 37MK.8YC
Location and coordinates are for the approximate centre of Horse Rocks within this administrative area.
Geographic features and populated places may cross administrative borders.