The dam of the Rance .

The Rance dam, built in 1966, is a powerhouse pulling its energy from the tidal force. It remained the largest tidal power plant in the world for 45 years (1966 to 2011). It is also a road bridge joining Dinard St Malo.

Only 2 dams of this type exists in the world!

You can enjoy a guided tour of the dam, will explain more precisely the construction and operation of the dam