Saint John's Lough

St. John's Lough (), also known as St. John's Lake, is an irregularly shaped freshwater lake located in south County Leitrim, in northwest of Ireland. The lake forms part of the wider Shannon–Erne Waterway tourist attraction.
The ecology of John's Lough, and the Shannon-system, is threatened by pollution and invasive species such as curly waterweed, zebra mussel, and freshwater clam.

Etymology

Named after ga, Eóin Baiste, meaning "John the Baptist", the lake is therefore named "the lake of John".

Geography

St. John's Lough is a shallow freshwater lake west of Ballinamore, covering a surface area somewhere between and . Saint John's Lough extends from in the north-east, before dividing into three broad reaches separated by narrow passes, or straits. The "" connects the Ballinamore canal and northern lake portion to the central John's lough, and the "" connects the central lough to the southern lough. The catchment area comprises Forestry (2%), pasture (55%), and other agriculture (43%), according to CORINE data. The R208 regional road follows the lakes northern boundary, crossing the Ballinamore canal at .

Ecology

Fish present in John's Lough include "roach-bream hybrids", Roach, Perch, Bream (1-2lbs), and Pike. The pike population is the "native Irish strain" ( ga, liús meaning 'Irish Pike') not the other European Pike strain ( ga, gailliasc meaning 'strange or foreign fish'). The water quality was reported to be satisfactory with a mesotrophic rating.

Repeated instances of significant illegal dumping and littering has been reported in recent years.

Ancient lake dwellers

Four ancient crannogs were reported at St. John's Lough. The crannogs were probably occupied during at least the 13th or the early 14th century, and lands surrounding John's Lough were covered by woodland during the Middle Ages.

Heritage

Museum artefacts

The following archaeological artefacts were recovered at Saint John's Lough in the 19th century, , and now preserved at the Royal Irish Academy museum, or at the National Museum of Ireland-
* Three silver coins of the reigns of Edward I or Edward II, and Edward III found on a Crannog.
* Bronze pin, and Short bronze sword, found at near John's Lough.

Ancient church

According to the Annals of the Four Masters an ancient church standing on the northern shore of Saint John's Lough (nearby where the Yellow River An Gheirgthigh"enters the Lough at ) was destroyed in 1244AD.

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Human settlements

The primary human settlements around St John's lough is Fenagh village and Ballinamore town.

See also

*List of loughs in Ireland

References and notes

Notes

Citations

Primary sources

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Secondary sources

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External links

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Lakes of County Leitrim