- Category: Water Feature
- Type: Island
- Latitude/Longitude: 59°12'36"N 2°44'33"W
- Eastings/Northings: 357692, 1036180
- OS Grid: HY576361
- Mapcode Local: GBR M4LD.29Q
- Mapcode Global: XH8KY.LRNP
Location and coordinates are for the approximate centre of Castle Rock within this administrative area.
Geographic features and populated places may cross administrative borders.