Muckle Green Holm
Scottish Gaelic nameUnknown
Old Norse nameHellisey
Meaning of nameMixture of English and Old Norse meaning 'large green small round island'.
Muckle Green Holm seen from the north-west
Muckle Green Holm seen from the north-west
Location
Muckle Green Holm is located in Orkney Islands
Muckle Green Holm
Muckle Green Holm
Muckle Green Holm shown within Orkney
OS grid referenceHY525272
Coordinates59°08′N 2°50′W / 59.13°N 2.83°W / 59.13; -2.83
Physical geography
Island groupOrkney
Area28 hectares (0.11 sq mi)[1]
Highest elevation28 m
Administration
Sovereign stateUnited Kingdom
CountryScotland
Council areaOrkney Islands
Demographics
Population0
Lymphad
References[2][3]

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.

Name

'Muckle' is Scots for 'big' or 'large'; 'holm' is from the Old Norse holmr, a small and rounded islet.[4]

Geography

To the south lies Little Green Holm, and between the two is the Sound of Green Holms. Eastward is a strait called Fall of Warness between Muckle Green Holm and the much larger island of Eday.

Muckle Green Holm has a great cormorant colony and a population of European otters.[2]

Tidal power

The Fall of Warness has strong tidal currents suitable for tidal power.

Starting in 2007,[5] the European Marine Energy Centre installed tidal power testing equipment.[6]

In 2021, Orbital Marine Power installed a tidal turbine called Orbital O2 that supplies 2MW to the electrical grid.

See also

List of Orkney islands

Notes and references

  1. ↑ "Rick Livingstone’s Tables of the Islands of Scotland" (pdf) Argyll Yacht Charters. Retrieved 23 September 2013.
  2. 1 2 Haswell-Smith, Hamish (2004). The Scottish Islands. Edinburgh: Canongate. ISBN 978-1-84195-454-7.
  3. ↑ Ordnance Survey
  4. ↑ Waugh, Doreen J., Orkney Place-names in Omand, Donald (ed.) (2003) The Orkney Book. Edinburgh, Birlinn. Page 119
  5. ↑ https://web.archive.org/web/20070815000000*/http://www.emec.org.uk/
  6. ↑ "EMEC". Retrieved 3 February 2007.

59°7′48″N 2°49′44″W / 59.13000°N 2.82889°W / 59.13000; -2.82889

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