Import a GPX file

UTMB 2020 trails

Click on a trail to view its statistics, map and profile.

UTMB 2020

France > Auvergne-Rhône-Alpes > Upper Savoy > Chamonix-Mont-Blanc > Les Bossons

Total: 171.3km

Distance: 168.1 Km • Elevation gain: 10,526 m • Maximum elevation: 2,574 m

Gear up for your next adventure:

🗺️Topographic Maps - Detailed maps for hiking and navigation
🥾Hiking Boots - Durable hiking boots for trails and rough terrain
📷Backpack Camera Clips - Quick access to your camera while keeping your hands free for climbing
📱Shockproof Phone Cases - Extra protection for your smartphone against drops on rocky terrain
🚁Camera Drones with GPS - Capture aerial views of the landscape to compare with topo maps

As an Amazon Associate, this site earns from qualifying purchases at no extra cost to you.