This source is one of the most curious in the Loue valley. Emanating from a deep cave (and accessible on foot) the waterfall expels its waters with a rather impressive …
A must in the loop of the rent. Accessible to everyone as long as you don't feel dizzy. For the more experienced, it is possible to take the chimney to go to the upper plateau, attention expert level.
This is where the collection water from the largest cave system in the Doubs department comes from. Depending on the weather, sometimes more, sometimes less or not at all after a long period of drought.
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.