Mont Blanc literally means mount white.
Mont Blanc was first climbed by Jacques Balmat and Dr. Michel Paccard in 1786, and the next year by H.-B. de Saussure.
Ascension by foot
Although climbing the Mont-Blanc is not technically very difficult, the altitude requires proper training and equipment. Every year, several thousand people do it and several accidents are caused by improper preparation. A mountain guide is quite necessary unless you already know the place (660 € for one or two persons).
It can be done in July and August.
Usually done from Saint-Gervais-les-Bains with a night in the Goûter refuge.
Ascension by ski
Climbing the Mont-Blanc by ski is reserved for highly trained skiers. It's mostly glacier skiing. It can be done from March to June, depending on the snow coverage. A mountain guide is quite necessary unless you already know the place.
Usually done from Chamonix with a night in the Grands Mulets refuge.
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