A must-see natural site at the foot of the Hauts de Chartreuse nature reserve, the circus offers a walk between forest and torrent to discover its 4 waterfalls, and access to the resurgence cave of the Guiers Vif spring.
A nice collection of waterfalls along a distance of 800 m. The paths are easy accessible and many wooden bridges. There is also an ancient ruin on the way which …
Magnificent viewpoint, both at the top and at the bottom. Some technical sections favor hiking rather than trail running. You'll find ibexes (and their babies), chamois, and marmots at the …
Culminating at 1,867 meters, the Charmant Som is an emblematic summit of the Chartreuse massif. From the inn of the same name, accessible by car, the ascent is made without major difficulty. At the top, the panorama is spectacular!