Barrage de Donzère à Mondragon

Structures built in Donzère: a weir on the River Rhône and dam and locks on the Donzère-Mondragon canal. Outdoor visit by appointment at this address: amisduvieuxdonzere@orange.fr or telephone number:+33 (0) 475 516 804. Duration of visit: 1hr15

The check dam is built downstream of the Robinet bridge. Its purpose is to raise the water level by 5 m and divert 1,530 m3/second into the canal.
Located 1,500 meters from the bridge, it comprises five 31.50-meter passes and a sixth 45-meter pass.
The canal begins one kilometer upstream of the retaining dam, with three entrances, each with a guard dam to ensure the safety of the surrounding plain.