The Furon high part is undoubtedly the inevitable canyon of the region, 15 minutes from Grenoble and 1 hour from Lyon located above Sassenage in the Vercors massif. Canyoning descent of 3h, with jumps (not mandatory), toboggans rappels and zip line in the canyon of the Furon Haute part. Descent supervised by a qualified instructor. Equipment, supervision, insurance for each participant included, more info on https://www.vertical-aventure.com/en/canyoning/canyon-furon-haut-grenoble-lyon-vercors