Lough AlewnaghtaLough Alewnaghta is a freshwater lake in the Mid-West Region of Ireland. It is located in Counties Clare and Galway.GeographyLough Alewnaghta measures about long and wide. It is about south of Portumna near the western shore of Lough Derg. The lake lies largely in County Clare with a smaller portion in County Galway.Natural historyFish species in Lough Alewnaghta include perch, roach, bream, pike and the critically endangered European eel.