From Sevrier
Departmental road
Col de Leschaux, 901 m, in Haute-Savoie. Main climb: 11.6 km at 4.0% average, 461 m of climbing from Sevrier.
Figures for the main climb (From Sevrier). The other climbs are further down.
| Main climb | Distance | Elevation gain | Elevation loss | Average gradient | Steepest 500 m | Difficulty index |
|---|---|---|---|---|---|---|
| From Sevrier | 11.6 km | 461 m | 11 m | 4.0 % | 9.9 % | 1.7 Easy |
| From Arith | 7.3 km | 316 m | — | 4.3 % | 6.7 % | 1.4 Easy |
| From Saint-Jorioz | 11.6 km | 528 m | 149 m | 4.6 % | 10.0 % | 1.2 Easy |
Scroll the table sideways to see every column.
Departmental road
Departmental road
Minor departmental road
3 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 de Leschaux, from Sevrier, is 11.6 km long for 461 m of ascent, i.e. 4.0% average.
The steepest 500 m sits at 9.9%, and the hardest kilometre is the 2th, at 5.9%.
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