Lough Fern ()[ is a freshwater lake in the northwest of Ireland. It is located in north County Donegal near the town of Milford.
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Geography
Lough Fern is about south of Milford, on the R246 road, and north of Letterkenny.[ It measures about long and wide.][ The lake has two islands at its northern end, including one crannog.][
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Hydrology
Lough Fern is fed mainly by the River Leannan entering at its southern end and also by a stream entering at the northern end. The lake drains eastwards into the continuation of the Leannan, which in turn enters Lough Swilly at Rathmelton.[
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Natural history
Fish species in Lough Fern include brown trout, Atlantic salmon, three-spined stickleback, European perch and the critically endangered European eel.[ Lough Fern is part of the Leannan River Special Area of Conservation.][
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See also
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List of loughs in Ireland
