a trekking trail of the tour du mont blanc trail

adventure aiguille alpine alps baretti bianco blanc blanche checrouit climbing clouds col courmayeur dolonne empty europe glacier glaciers graian grandes highest hike hiking italy jorasses landscape maison massif maudit mont monte mountains nature noire peak people peuterey punta range refuge ridge side snow south southern steep summer summertime summits tall tmb top tour tourism trail travel trekking valley vieille