Bisse de Sion


Built at the beginning of the twentieth century to feed the Sionne and, latterly, the Bisse de Lentine and the Mont d’Orge lake.


Total length : 14 km.

Altitude : Between 1850 and 1150 metres.

Route time : Between 3 and 4 hours.

Location :  Tzeuzier lake and Anzère, to the right of the Rhône.

Difficulty : There are no particular difficulties. From the dams, to reach Les Rousses, the route follows road tunnels.

Ordinance Survey map 1 : 50'000  : no. 273T Montana.

Best period : June to September.

This bisse contains water from 15 July to 15 August.