Lough Barra

Lough Barra is a freshwater lake in the northwest of Ireland. It is located in north County Donegal in the valley along the Gweebarra fault.

Geography
Lough Barra is about 30 km west of Letterkenny, just outside the southwest corner of Glenveagh National Park. It measures about 1.5 km long and 1 km wide.

Hydrology
Lough Barra is fed mainly by the Barra River entering at its northern end. The lake drains southwards into the Gweebarra River. The lake, like other area lakes, is oligotrophic.

Natural history
Fish species in Lough Barra include brown trout, salmon and the critically endangered European eel. Lough Barra is part of the Cloghernagore Bog and Glenveagh National Park Special Area of Conservation, which also includes Lough Beagh.