Lough Derg, historically Lough Dergart, is a freshwater lake in the Shannon River Basin, Ireland. It is the third-biggest on the island of Ireland and the second largest lake in the Republic of Irelan

Lough Ree, translated to English as King's Lake or King Lake,is a lake in the midlands of Ireland, the second of the three major lakes on the River Shannon. Lough Ree is the second largest lake on the