From Thônes
Main road
Col de St Jean de Sixt — 956 m
Col de St Jean de Sixt, 956 m, in Haute-Savoie. Main climb: 6.7 km at 4.7% average, 310 m of climbing from Thônes.
At a glance
- Distance
- 6.7 km
- Elevation gain
- 310 m
- Average gradient
- 4.7 %
- Difficulty index
- 1.4 Easy
Figures for the main climb (From Thônes). The other climbs are further down.
Location
- Department
- Haute-Savoie
- Altitude
- 956 m
- Coordinates
- 45.92387, 6.40986
Map of the climbs
- From Thônes
Cycling ascents
| Main climb | Distance | Elevation gain | Average gradient | Steepest 500 m | Difficulty index |
|---|---|---|---|---|---|
| From Thônes | 6.7 km | 310 m | 4.7 % | 7.2 % | 1.4 Easy |
Scroll the table sideways to see every column.
- 10% and above
- 8 to 10%
- 6 to 8%
- 4 to 6%
- under 4%
1 ascent proposed here — other ways up this col remain possible.
Distances and elevation gains derived from the OpenStreetMap road network and a digital terrain model, measured on the very profile shown here.
Figures computed on 7 September 2026.
Cols nearby
- Col de la Croix Fry 1,467 m · 5 km
- Col de Merdassier 1,500 m · 7 km
- Col des Aravis 1,487 m · 7 km
- Col de la Colombière 1,613 m · 9 km
- Col du Marais 843 m · 13 km
- Col de L'Arpettaz 1,581 m · 14 km
Straight-line distances, not road distances. The cols a climb actually rides over are listed above.
Frequently asked questions
How long is the climb to Col de St Jean de Sixt?
The hardest climb of Col de St Jean de Sixt, from Thônes, is 6.7 km long for 310 m of ascent, i.e. 4.7% average.
What is the steepest part of Col de St Jean de Sixt?
The steepest 500 m sits at 7.2%, and the hardest kilometre is the 3th, at 5.9%.
Col de St Jean de Sixt: add this col to your collection
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