- Category: Water Feature
- Type: Island
- Latitude/Longitude: 60°16'23"N 1°8'43"W
- Eastings/Northings: 447372, 1154630
- OS Grid: HU473546
- Mapcode Local: GBR R1JL.7RD
- Mapcode Global: XHF9K.H1MT
Location and coordinates are for the approximate centre of Calf Holm within this administrative area.
Geographic features and populated places may cross administrative borders.