| Scots name | Cauf o Aidee[1] |
|---|---|
| Old Norse name | Kalfr |
 Grey Head, the northern tip of the Calf. Sea caves, and the beginning of an arch can be seen in the cliff. | |
| Location | |
  Calf of Eday Calf of Eday shown within the Orkney Islands | |
| OS grid reference | HY580393 |
| Coordinates | 59°14′N 2°44′W / 59.23°N 02.73°W |
| Physical geography | |
| Island group | Orkney |
| Area | 243 hectares (0.94 sq mi) |
| Area rank | 98 [2] |
| Highest elevation | The Graand 54 metres (177 ft) |
| Administration | |
| Council area | Orkney Islands |
| Country | Scotland |
| Sovereign state | United Kingdom |
| Demographics | |
| Population | 0[3] |
 | |
| References | [4][5][6] [7][8] |
The Calf of Eday (Scots: Cauf o Aidee; Old Norse: Kalfr[7]) is an uninhabited island in Orkney, Scotland, lying north east of Eday. It is known for its wildlife and its prehistoric ruins.
- ^ "Map of Scotland in Scots - Guide and gazetteer" (PDF).
- ^ Area and population ranks: there are c. 300 islands over 20 ha in extent and 93 permanently inhabited islands were listed in the 2011 census.
- ^ National Records of Scotland (15 August 2013). "Appendix 2: Population and households on Scotland's Inhabited Islands" (PDF). Statistical Bulletin: 2011 Census: First Results on Population and Household Estimates for Scotland Release 1C (Part Two) (PDF) (Report). SG/2013/126. Retrieved 14 August 2020.
- ^ Haswell-Smith (2004) pp. 390-91
- ^ Orkney Placenames Orkneyjar.
- ^ Ordnance Survey: Landranger map sheet 5 Orkney (Northern Isles) (Map). Ordnance Survey. 2008. ISBN 9780319228111.
- ^ a b Anderson (1873) p. 176
- ^ Pedersen, Roy (January 1992) Orkneyjar ok Katanes (map, Inverness, Nevis Print)