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June 1st is ITRA’s Women’s Trail Day. Read Hillary Gerardi's blog, Go for it, ladies, and learn how you can take part!

Landscape with glaciers
Photo - Dan Fitzgerald
Runner runs up trail with glaciers and Chamonix valley below
Photo - Dan Fitzgerald
runner on rock trails with large boulders either side
Photo - Dan Fitzgerald
Runner with huge glacier in background
Photo - Dan Fitzgerald

Region: Chamonix

Difficulty
2/3
Technicality
3/3
Popularity
2/3

This route packs in a significant climb from the bottom of the Chamonix Valley up to La Jonction, where the Bossons and Taconnaz glaciers split. You’ll get stunning close-up views of the glacier—the longest icefall in Europe—along most of the route before coming to a unique summit beside the granite “aiguilles,” and creaking glaciers.

Bonus KMs and Bailouts

The bonus kilometers offer big rewards, so try to include them if you have time!

Note that not every run has a bailout. But if a run does, we've included the download below.

Additional Information