From Martigny (Schweiz/Suisse/Svizzera/Svizra)
Departmental road
Col des Montets, 1,461 m, in Haute-Savoie. Main climb: 25.7 km at 5.6% average, 1,443 m of climbing from Martigny (Schweiz/Suisse/Svizzera/Svizra).
Figures for the main climb (From Martigny (Schweiz/Suisse/Svizzera/Svizra)). The other climbs are further down.
| Main climb | Distance | Elevation gain | Elevation loss | Average gradient | Steepest 500 m | Difficulty index |
|---|---|---|---|---|---|---|
| From Martigny (Schweiz/Suisse/Svizzera/Svizra) | 25.7 km | 1,443 m | 468 m | 5.6 % | 17.7 % | 4.2 Moderate |
| From Chamonix-Mont-Blanc | 7.9 km | 391 m | — | 4.9 % | 9.5 % | 2.3 Easy |
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Departmental road
Departmental road
2 ascents 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.
Straight-line distances, not road distances. The cols a climb actually rides over are listed above.
The hardest climb of Col des Montets, from Martigny (Schweiz/Suisse/Svizzera/Svizra), is 25.7 km long for 1,443 m of ascent, i.e. 5.6% average.
The steepest 500 m sits at 17.7%, and the hardest kilometre is the 2th, at 16.0%.
Sleipnir recognises the cols you cross from the GPS trace of your rides: the col ticks itself off the day you ride over it.
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