Ardderry LoughArdderry Lough is a freshwater lake in the west of Ireland. It is located in the Connemara area of County Galway.GeographyArdderry Lough measures about long and wide. It is located about northwest of Galway city on the N59 road near the village of Maam Cross.Natural historyFish species in Ardderry Lough include perch, brown trout and the critically endangered European eel. Ardderry Lough is part of the Connemara Bog Complex Special Area of Conservation.