Tour du Mont Blanc: 170 Kilometres Through Three Countries

The Tour du Mont Blanc is a roughly 170-kilometre circuit through France, Italy and Switzerland, usually completed in about seven to ten days. The route is built around mountain refuges and long walking days. 1

Two of its signature high points are Col de la Seigne at 2,516 metres and Grand Col Ferret at 2,537 metres. 2

The official trail guidance uses about 300 metres of ascent per hour and 450 metres of descent, excluding breaks. Backpack weight changes those averages, and snow and weather can affect access and refuge openings, so conditions still need a local check. 23

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