The Vallée du Trail challenge courses
Come and measure yourself at the Vallée du Trail challenge courses

The Trail Valley offers two routes equipped with the DéfiTrail™ permanent timing system developed by Trace De Trail. These two routes start at the Grépon parking lot (parking lot for the Aiguille du Midi cable car) and go up towards Plan de l'Aiguille. These routes are not marked. You will simply find the DéfiTrail markers along the route. Follow the route "Plan de l'Aiguille par le Pré du Rocher". Don't hesitate to activate the route exit alarm of the application for more comfort!

It's up to you to take up the challenge !

How does it work
Zoom on the courses
Trail running challenge Pré du Rocher (2.3 km - 560m+)

Start : Grépon I Arrival : Le Pré du Rocher

Meet at the Grépon parking lot to take on the Pré du Rocher challenge : 550 m of positive elevation change over 2.3 km awaits you. An ascent with a series of curves, passages in the forest and clear passages that will lead you to the place called "Le Prè du Rocher". The time is set at the foot of the ski jump, revealing the "steep" slope under the spruce forest!

The route
Trail running challenge of Plan de l’Aiguille(5.2km - 1156m+)

Start : Grépon I Arrival : Plan de l'Aiguille

Want to take up the challenge of the Plan de l'Aiguille ? A long and demanding ascent awaits you with an intermediate pointing after 550m of positive difference in altitude. Zigzag through larches, "varosses" (green alders) and rhododendrons and discover viewpoints on the surrounding summits before arriving at the Plan de l'Aiguille refuge.

The route

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