Eagle Island lighthouses

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Eagle Island Lighthouse
Eagle Island lighthouses is located in Ireland
Eagle Island lighthouses
Location Eagle Island, Mullet Peninsula, Erris, County Mayo, Ireland
Coordinates 54°17.022′N 10°05.564′W / 54.283700°N 10.092733°W / 54.283700; -10.092733
Year first constructed 1830
Year first lit 1835
Automated 1988
Construction Local stone from the island - gneiss, schist, psammite
Tower shape conical
Height 67 metres

Two lighthouses were commissioned in 1830 in response to requests from the Coastguards who were concerned at the sea conditions at Blackrock, further south. The Board inspector however, ruled in favour of locating the new lighthouses on Eagle Island, one in the east and the other in the west with 132 yards between them at a cost of almost £40,000 (roughly £4,000,000 today). Their lights were aligned at a height of 220 feet above sea level and could be seen to the east as far as Broadhaven Bay and to the south as far as Blacksod Bay. The lighthouses became operational in September 1835.

Eagle Island is located close to the edge of the Continental Shelf and is constantly pounded by powerful waves from the Atlantic. When the lighthouses were first built in the 19th century there were two lighthouses and seven dwelling houses on Eagle Island, according to the 1841 census. By the 1911 census there was only one dwelling house listed on the island. Despite the erection of a massive storm wall to protect the lighthouses, one of the lighthouses was destroyed by the severe storms and its remains still litter the ground it used to stand on.

Although the lighthouse sites sit almost 61 m (200 feet) above the high water mark, during a severe storm on 17 January 1836, a rock was thrown up the cliffs and smashed the glass in a window 26 m (87 feet) high up in the tower building. On 11 March 1861 at midday the light room of the East tower was struck by the sea, smashing 23 panes, washing some of the lamps down the stairs, and damaging the reflectors with broken glass beyond repair. The light was restored the following night with a reduced number of lamps and reflectors. So much water cascaded down the tower in the incident that it was impossible for the Keepers to open the door at the base, and they had to drill holes in it to let the water out.[1]

Storms constantly batter the lighthouse at Eagle Island and gradually it was realised that Eagle Island was not well suited to human habitation. The families on the island were rehoused near to Corclough on the mainland at the end of the 19th century, although lighthouse keepers remained resident. On 31 March 1988 the lighthouse was made automatic and there have been no lighthouse keepers resident on the island since.


  1. ^ "Eagle Island Lighthouse". Commissioners of Irish Lights. http://www.commissionersofirishlights.com/cil/aids-to-navigation/lighthouses/eagle-island.aspx. Retrieved 11 March 2011.

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