"Le Parcours du Vertige
the via-ferrata in a different wayA unique course, an exception in the Via world with an underground passage, crowned by 4 zip lines, the last of which measures 200 meters long. Allow 2h30 on average for the activity: 10-minute approach walk, descent on ladders into a pot hole 40m underground then ascending the pot hole, an evolution between rock walls and ridges.