From Saint-Alban-Leysse
Departmental road
Col de Plainpalais, 1,173 m, in Savoie. Main climb: 12.8 km at 6.7% average, 866 m of climbing from Saint-Alban-Leysse.
Figures for the main climb (From Saint-Alban-Leysse). The other climbs are further down.
| Main climb | Distance | Elevation gain | Elevation loss | Average gradient | Steepest 500 m | Difficulty index |
|---|---|---|---|---|---|---|
| From Saint-Alban-Leysse | 12.8 km | 866 m | — | 6.7 % | 11.6 % | 6.0 Sustained |
| From Lescheraines | 12.5 km | 604 m | 14 m | 4.8 % | 9.1 % | 3.0 Moderate |
| From Cusy | 14.0 km | 646 m | 39 m | 4.6 % | 9.3 % | 2.8 Moderate |
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 Plainpalais, from Saint-Alban-Leysse, is 12.8 km long for 866 m of ascent, i.e. 6.7% average.
The steepest 500 m sits at 11.6%, and the hardest kilometre is the 5th, at 8.8%.
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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