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 …
Here, we have a beautiful view of the Mandrin caves, a succession of small caves connected to each other. A route allows you to cross them. You can also enjoy a superb view of Grenoble and the region!
Beautiful. Be careful, the path is actually a scree: steep and not very stable. Doing it in the direction of the descent is difficult or even problematic, it is better to continue climbing the scree (to the top!!).