- Category: Water Feature
- Type: Island
- Latitude/Longitude: 50°7'29"N 5°30'5"W
- Eastings/Northings: 149823, 30847
- OS Grid: SW498308
- Mapcode Local: GBR DXSC.4SB
- Mapcode Global: VH12Z.L4F2
Location and coordinates are for the approximate centre of Long Rock within this administrative area.
Geographic features and populated places may cross administrative borders.