Muckle Green Holm
| Scottish Gaelic name | Unknown |
|---|---|
| Old Norse name | Hellisey |
| Meaning of name | Mixture of Scots and Old Norse meaning 'large green small round island'. |
Muckle Green Holm seen from the north-west | |
| Location | |
| OS grid reference | HY525272 |
| Coordinates | 59°08′N 2°50′W / 59.13°N 2.83°W |
| Physical geography | |
| Island group | Orkney |
| Area | 28 hectares (0.11 sq mi) |
| Highest elevation | 28 m |
| Administration | |
| Council area | Orkney Islands |
| Country | Scotland |
| Sovereign state | United Kingdom |
| Demographics | |
| Population | 0 |
| References | |
Muckle Green Holm is an uninhabited island in the North Isles of the Orkney archipelago in Scotland. It is roughly 28 hectares (0.11 sq mi) in extent and rises to 28 metres (92 ft) above sea level, the summit having a triangulation pillar.