- Category: Water Feature
- Type: Island
- Latitude/Longitude: 50°13'56"N 3°39'25"W
- Eastings/Northings: 281903, 38233
- OS Grid: SX819382
- Mapcode Local: GBR QP.DVGV
- Mapcode Global: FRA 387D.T7D
Location and coordinates are for the approximate centre of Long Rock within this administrative area.
Geographic features and populated places may cross administrative borders.