From Brénaz
Minor departmental road
Col de la Biche — 1,310 m
Col de la Biche, 1,310 m, in Ain. Main climb: 8.4 km at 9.4% average, 791 m of climbing from Brénaz. The Tour de France has been over it 2 times since 2017.
At a glance
- Distance
- 8.4 km
- Elevation gain
- 791 m
- Average gradient
- 9.4 %
- Difficulty index
- 7.7 Sustained
Figures for the main climb (From Brénaz). The other climbs are further down.
Location
- Department
- Ain
- Altitude
- 1,310 m
- Coordinates
- 45.95247, 5.74901
Map of the climbs
- From Brénaz
- From Corbonod
Cycling ascents
| Main climb | Distance | Elevation gain | Elevation loss | Average gradient | Steepest 500 m | Difficulty index |
|---|---|---|---|---|---|---|
| From Brénaz | 8.4 km | 791 m | — | 9.4 % | 17.4 % | 7.7 Sustained |
| From Corbonod | 15.2 km | 1,142 m | 80 m | 7.5 % | 11.9 % | 7.7 Sustained |
Scroll the table sideways to see every column.
- 10% and above
- 8 to 10%
- 6 to 8%
- 4 to 6%
- under 4%
From Corbonod
Minor departmental 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.
The Tour de France here
- Crossings
- 2
- Editions
- 2
- On the route
- from 2017 to 2020
- Usual category
- Hors categorie
| Year | Stage | Cat. | First over the top |
|---|---|---|---|
| 2020 | Stage 15 | Category 1 | Pierre Rolland |
| 2017 | Stage 9 Nantua → Chambéry | Hors categorie | Primož Roglič |
Cols nearby
- Col du Grand Colombier 1,498 m · 6 km
- Col de la Rochette 1,112 m · 9 km
- Col de Cuvillat 1,073 m · 13 km
- Col du Clergeon 979 m · 15 km
- Col du Sapenay 897 m · 17 km
- Col de Pisseloup 968 m · 17 km
Straight-line distances, not road distances. The cols a climb actually rides over are listed above.
Frequently asked questions
How long is the climb to Col de la Biche?
The hardest climb of Col de la Biche, from Brénaz, is 8.4 km long for 791 m of ascent, i.e. 9.4% average.
What is the steepest part of Col de la Biche?
The steepest 500 m sits at 17.4%, and the hardest kilometre is the 2th, at 13.6%.
How many times has the Tour de France been over Col de la Biche?
The Tour de France has crossed Col de la Biche 2 times, from 2017 to 2020.
Col de la Biche: add this col to your collection
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