Lough Derg Boat Tours are based in Dromineer on the shore of Lough Derg and offer private and scheduled boat tours of this beautiful lake. Lough Derg is one of three lakes on the River Shannon which is the largest river in Ireland and stretches for over 200km. The lake is over 45 km in length and 8km wide in parts with Portumna at one end and Killaloe at the other. There are many other Towns and Villages surrounding the lake to explore. The lake is bounded by Counties Tipperary, Clare and Galway. Our tours are conducted by experts who have a deep knowledge and love for Lough Derg and all it has to offer. We look forward to welcoming you and sharing the many wonders and history of this great location.