04 50 34 25 05
accueil@prazdelys-sommand.com
Site du Comité Départemental du Tourisme Haute-Savoie Mont-Blanc
From 01/06 to 31/10.
Depending on the weather.
The slightly gentler gradients through Sommand do little to ease this difficult climb to one of the Tour de France’s most famous passes, but the views of Mont Blanc are outstanding. Mean gradient: 7%