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Cycling tour: Climbing the Semnoz north face

Cycling tour: Climbing the Semnoz north face
Cycling tour: Climbing the Semnoz north face
Cycling tour: Climbing the Semnoz north face
Cycling tour: Climbing the Semnoz north face
Cycling tour: Climbing the Semnoz north face

Description

The numbers speak for themselves: more than 17 km at an average gradient in excess of 7%, with several kilometres steeper than 9%.
The view from the top will be your best reward on this climb.

Make sure you do a few training rides on easier cols before tackling this climb! The Semnoz is one of the top 10 cyclo-climbing challenges in Savoie Mont Blanc.
As the road climbs north-facing slopes covered with shady forests, one positive aspect of this ride is that you will nearly always have cool conditions.
The route begins in the centre of Annecy at the “hospital roundabout”. At the top of the Avenue du Trésum, take the Boulevard de la Corniche and then follow the D41. After 3 km the gradient eases slightly, allowing you to get your breath back for the long, sustained effort needed to get to the summit.
As well as offering a challenging bike ride, the Semnoz is also an outstanding viewpoint. Being a relatively high (1699 m) and isolated mountain, standing guard over the northern Alps, it offers a 360° panorama that encompasses the high peaks of western Switzerland, the Mont Blanc Massif, the Aravis, the Beaufortain, the Vanoise, the Bauges and the Chartreuse.

Technical Information

Racing biking
Difficulty
Hard
Duration
2h
Dist.
18 km
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Altimetric profile

Starting point

74000   Annecy
Lat : 45.899247Lng : 6.129384

Points of interest

Date and time

  • From 15/03/2026 to 30/10/2026

Additional information

Environments

Mountain view
Forest location
Town outskirts

Updated by

Conseil Départemental de la Haute-Savoie - 29/11/2025
www.hautesavoiexperience.fr
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Open period

From 15/03 to 30/10.

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Caution!
We have no information on the difficulty of this circuit. You may encounter some surprises along the way. Before you go, please feel free to inquire more and take all necessary precautions. Have a good trip! 🌳🥾