(Trail of 25 km that runs the entire length of the valley along the Ayas stream. Length from Hone to Col Fenetre with an elevation gain 2,514 It is a part of the long and challenging Tor des Géants trail, and you can also walk only parts of it).
From the 364 m asl of Hône to the 2827 m asl of Fenêtre in Champorcher is part of the route of the toughest race in the Alps: 330 km and 24000 m total elevation gain. Breathe in the emotions and imagine the athletes' thoughts as you follow the 25 km that run along the Ayasse stream.
