- Category: Water Feature
- Type: Island
- Latitude/Longitude: 51°20'19"N 3°6'14"W
- Eastings/Northings: 323196, 160539
- OS Grid: ST231605
- Mapcode Local: GBR J1.VV8J
- Mapcode Global: VH7CH.4MX3
Location and coordinates are for the approximate centre of Calf Rock within this administrative area.
Geographic features and populated places may cross administrative borders.