Lough Derg (Shannon)
…southernmost of three large lakes on the River Shannon; the others being Lough Ree and Lough Allen. Towns and villages on Lough Derg include Portumna, Killaloe & Ballina, Dromineer, Terryglass, Mountshannon and Garrykennedy. The lake's name evolved from the Irish Loch Deirgdheirc. This was one of the names of…