Mont Blanc, Alpine summit on the France–Italy border
Mont Blanc is a 4805 meter (15,774 foot) granite summit on the border between France and Italy, covered in permanent snow with multiple glaciers flowing down its flanks. Its massive walls rise above the valleys of Chamonix and Courmayeur, forming the highest point of the Alps with steep rock faces and extensive ice fields.
Jacques Balmat and Michel-Gabriel Paccard reached the top on August 8, 1786, marking the first documented climb and opening a new era in mountaineering. Their ascent sparked European interest in climbing and led to the growth of Chamonix as a center for high-altitude expeditions.
The name Mont Blanc, first printed on Pierre Martel's 1744 map of the Chamonix valley, means "white mountain"; Italians call it Monte Bianco. The 1786 ascent by Balmat and Paccard is considered the start of modern mountaineering, and Chamonix later hosted the first Winter Olympics. The Compagnie des Guides de Chamonix, founded in 1821, set a model for mountain guiding.
Climbers need proper equipment, physical preparation, and guidance from certified mountain professionals, with ascents typically requiring two days. The best period for attempting the climb runs from June through September when weather conditions tend to be most stable and refuge huts along the route remain open.
The height of the summit fluctuates throughout the year due to wind patterns and snow accumulation, requiring regular measurements by French geodesists. These natural variations can amount to several meters and occasionally shift the official elevation figure.
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