The steep incline reaches up to 14%! From the Col de Porte, the road cuts through a forest dotted with increasingly sparse mountainous ramparts, before emerging into pastureland. You can make an initial stop at an altitude of 1,654m/5,426ft on the Plateau du Som, then continue on foot for another 30min. At the top (1,867m/6,125ft), you will enjoy a fine view over the meadows and the Grande Chartreuse convent.
Michelin Travel Partner will process your email address in order to manage your subscription to the ViaMichelin newsletter. You may unsubscribe at any time by clicking the unsubscribe link included in the newsletter. Find out more about managing your data and your rights