Aiguille de Bionassay

Elevation (feet): 13,294
Elevation (meters): 4,052
Continent: Europe
Country: France
Range/Region: Savoy Alps
Latitude: 45.835799
Longitude: 6.818186
Difficulty: Basic Snow/Ice Climb
Best months for climbing: Jul, Aug, Sep
Year first climbed: 1888
First successful climber(s): Kaspar Maurer, Andreas Jaun, and G. Gruber
Nearest major airport: Geneva, Switzerland
Convenient Center: Chamonix, France

Thanks to Terrill Thompson for adding this peak.

Aiguille de Bionnassay is a picturesque peak rising from Mont Blanc's western ridge. It has an impressive Northwest Face and North Wall. It can be climbed via a variety of routes from multiple directions, the normal route being its south ridge. The approach is beautiful, as is the view of Mont Blanc from the summit.

Thanks to Terrill Thompson for this description.


The following weather information is provided for the nearest supported peak. The weather icons reflect weather conditions from the base of the mountain, while the wind, temperature and humidity reflect conditions at the summit.

Weather by meteoexploration.

Trip Reports

NOTE: Trip reports were previously called "Summit Logs" - same feature, new name

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