A few km after its source, the Lison flows between gorges. Its bed is punctuated by small tuff waterfalls very distant from each other, which thus form vast expanses of calm water between each waterfall. a quiet and beautiful place.
High grotto with wonderful limescale deposits - accessible via a metal ladder even without equipment. The grotto does not lead deep into the rock, the daylight is sufficient, you do not need a flashlight. It is freely accessible to everyone.