From Morez (Hauts de Bienne)
Main road
Les Rousses, 1,160 m, in Jura. Main climb: 7.7 km at 5.3% average, 405 m of climbing from Morez (Hauts de Bienne). The Tour de France has been over it 1 times since 2026.
Figures for the main climb (From Morez (Hauts de Bienne)). The other climbs are further down.
| Main climb | Distance | Elevation gain | Average gradient | Steepest 500 m | Difficulty index |
|---|---|---|---|---|---|
| From Morez (Hauts de Bienne) | 7.7 km | 405 m | 5.3 % | 9.0 % | 2.2 Easy |
Scroll the table sideways to see every column.
Main road
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.
| Year | Stage | Cat. | First over the top |
|---|---|---|---|
| 2026 | Stage 15 Champagnole → Plateau de Solaison | Category 3 | Valentin Paret-Peintre |
Straight-line distances, not road distances. The cols a climb actually rides over are listed above.
The hardest climb of Les Rousses, from Morez (Hauts de Bienne), is 7.7 km long for 405 m of ascent, i.e. 5.3% average.
The steepest 500 m sits at 9.0%, and the hardest kilometre is the 3th, at 7.0%.
The Tour de France has crossed Les Rousses 1 times, from 2026 to 2026.
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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