From Saint-Alban-d'Hurtières
Departmental road
Col du Grand Cucheron, 1,183 m, in Savoie. Main climb: 11.1 km at 7.8% average, 859 m of climbing from Saint-Alban-d'Hurtières. The Tour de France has been over it 1 times since 2012.
Figures for the main climb (From Saint-Alban-d'Hurtières). The other climbs are further down.
| Main climb | Distance | Elevation gain | Elevation loss | Average gradient | Steepest 500 m | Difficulty index |
|---|---|---|---|---|---|---|
| From Saint-Alban-d'Hurtières | 11.1 km | 859 m | — | 7.8 % | 12.0 % | 6.9 Sustained |
| From Chamoux-sur-Gelon | 17.2 km | 1,133 m | 219 m | 6.6 % | 14.6 % | 5.1 Sustained |
| From Villard-Léger | 17.4 km | 974 m | 75 m | 5.6 % | 14.6 % | 4.8 Moderate |
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Departmental road
Minor 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.
| Year | Stage | Cat. | First over the top |
|---|---|---|---|
| 2012 | Stage 12 Saint-Jean-de-Maurienne → Annonay-Davézieux | Category 1 | Robert Kišerlovski |
Straight-line distances, not road distances. The cols a climb actually rides over are listed above.
The hardest climb of Col du Grand Cucheron, from Saint-Alban-d'Hurtières, is 11.1 km long for 859 m of ascent, i.e. 7.8% average.
The steepest 500 m sits at 12.0%, and the hardest kilometre is the 7th, at 9.6%.
The Tour de France has crossed Col du Grand Cucheron 1 times, from 2012 to 2012.
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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