- Category: Water Feature
- Type: Island
- Latitude/Longitude: 51°1'19"N 4°30'1"W
- Eastings/Northings: 224733, 127708
- OS Grid: SS247277
- Mapcode Local: GBR K4.HV0R
- Mapcode Global: FRA 16GD.VYJ
Location and coordinates are for the approximate centre of Long Rock within this administrative area.
Geographic features and populated places may cross administrative borders.