Lough Corrib (Loch Coirib in Irish) is a lake in the west of Republic of Ireland. The River Corrib/Galway river connects the lake to the sea at Galway. It is the largest loch in the Republic of Ireland and the second largest in Ireland (after Lough Neagh). It covers some 200 km². Loch Coirib is a corruption of Loch nOirbsean, which according to placename lore is named after the Danann navigator Orbsen Mac Alloid (commonly called Manannán Mac Lir, "The Son of the Sea," for whom the Isle of Man is named.) In Irish the loch is also called An Choirib ("the Corrib").
Sir William Wilde wrote a book on the lake, first published in 1867.
The first canal in Ireland was cut in the 12th century. Known as the Friar's Cut, it allowed boats to pass from Lough Corrib to the sea at Galway.
As well as being an internationally recognised attraction for tourists and fisherman alike, Lough Corrib has recently become more famous for its many unwelcome visitors. In early 2007, large numbers of the protozoan parasite Cryptosporidium were detected in water from the lake, leading to contamination of the public water supply in Galway city, and an outbreak of cryptosporidiosis. Another unwelcome visitor is the highly invasive species Lagarosiphon major (also known as "Curly Waterweed") which is destroying fish habitat. Another invasive species is the zebra mussel.
Lough Corrib was designated a Ramsar site on June 16, 1996.
Source: CIA Factbook, Wikipedia
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