UNESCO has classified "the art of climbing summits" as intangible heritage of humanity. Bivouac is now prohibited on six major summits of the Mont-Blanc massif.
In Chamonix, the climbing gyms are full. “We record 3 million entries per year, as many as the number of climbers in France,” boasts François Petit, founder of Climb Up. With independent guide Arnaud Petit: “Crossing the Vallée Blanche is still wonderful.”