- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 55°37'8"N 2°23'25"W
- Eastings/Northings: 375515, 636229
- OS Grid: NT755362
- Mapcode Local: GBR C3RG.9K
- Mapcode Global: WH8Y0.71Z7
Location and coordinates are for the approximate centre of Prison Rock within this administrative area.
Geographic features and populated places may cross administrative borders.