- Category: Water Feature
- Type: Island
- Latitude/Longitude: 54°21'3"N 2°55'49"W
- Eastings/Northings: 339623, 495465
- OS Grid: SD396954
- Mapcode Local: GBR 7LZ4.C0
- Mapcode Global: WH82L.YWQR
Location and coordinates are for the approximate centre of Hen Rock within this administrative area.
Geographic features and populated places may cross administrative borders.