Grand bisse de St-Jean

The long-abandoned Grand Bisse de St-Jean was carefully restored in 2012 using the traditional techniques. The irrigation channel captures water from the Marais stream. It crosses the village of St-Jean d’en Haut and finishes its course at Mayoux. Water outlets for irrigation by sprinkling have been installed in magnificent wooden distributors. Over most of its course, the irrigation channel has been dug straight out of the ground and strengthened with flagstones or large rocks.


Starting point: Grimentz (1'585m)
Destination: Mayoux (1’196m)


Difficulty: easy
Distance: 6 km
Vertical metres: +40m, -410m
Hiking time: 1h30

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