Lough GolaghLough Golagh is a freshwater lake in the northwest of Ireland. It is located in south County Donegal.GeographyLough Golagh is located about northeast of Ballyshannon. It measures about long west–east and wide.Natural historyLough Golagh forms part of the Lough Golagh and Breesy Hill Special Area of Conservation. An island in the lake supports important bird species including common tern and black-headed gull.