The viaduct of Mieussy was built in 1931, it is 126 meters long, and has a central 24 meters arc. The maximal height is 20 meters. Before, it allowed the passage of a train connecting Annemasse and six.
The viaduct is closed for motorized vehicles, it is only accessible to pedestrians and cyclists.
Throughout the year : open daily.
Praz de Lys Sommand Tourisme - 25/09/2019
Free of charge