Petite Bosse

Petite Bosse is a secondary peak in the Mont Blanc massif that rises to approximately 4,500 meters above sea level. This snow-covered summit sits along the ridge between two prominent rock formations on the mountainside.

This summit became part of established climbing routes after Mont Blanc was first successfully ascended in the 1700s. As mountaineering grew more popular, the peak developed into a recognized waypoint for those pursuing the higher summit.

Climbers recognize this summit as a key waypoint on their route up Mont Blanc and often mention it in their mountain journals. Many mountaineers pause here to gather strength before the final push to the highest peak.

Reaching this peak demands advanced mountaineering experience, proper safety gear, and stable weather in the warmer months of the year. Visitors should be prepared for steep snow slopes and exposed ridge walks, and it is essential to climb with experienced guides or organized groups.

Climbers often overlook this summit because it sits so close to the final peak and seems like just another bump along the way. In reality, this final push demands focused effort and stamina, as the altitude and steep snow make it surprisingly demanding.

Location: Haute-Savoie

Elevation above the sea: 4,547 m

GPS coordinates: 45.83523,6.85591

Latest update: December 14, 2025 20:29