From Ambert
Departmental road
Col des Fourches, 970 m, in Puy-de-Dôme. Main climb: 10.2 km at 4.5% average, 454 m of climbing from Ambert. The Tour de France has been over it 1 times since 1996.
Figures for the main climb (From Ambert). The other climbs are further down.
| Main climb | Distance | Elevation gain | Elevation loss | Average gradient | Steepest 500 m | Difficulty index |
|---|---|---|---|---|---|---|
| From Ambert | 10.2 km | 454 m | — | 4.5 % | 7.8 % | 2.0 Easy |
| From La Chapelle-Agnon | 13.6 km | 611 m | 112 m | 4.5 % | 13.2 % | 1.8 Easy |
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Departmental road
Minor 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.
| Year | Stage | Cat. | First over the top |
|---|---|---|---|
| 1996 | Stage 13 Le Puy-en-Velay → Sancy | Category 3 |
Straight-line distances, not road distances. The cols a climb actually rides over are listed above.
The hardest climb of Col des Fourches, from Ambert, is 10.2 km long for 454 m of ascent, i.e. 4.5% average.
The steepest 500 m sits at 7.8%, and the hardest kilometre is the 3th, at 7.1%.
The Tour de France has crossed Col des Fourches 1 times, from 1996 to 1996.
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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