From Wuenheim
Minor road · 0.2 km unpaved
Col du Grand Ballon — 1,343 m
Col du Grand Ballon, 1,343 m, in Haut-Rhin. Main climb: 17.5 km at 6.0% average, 1,054 m of climbing from Wuenheim. The Tour de France has been over it 4 times since 2005.
At a glance
- Distance
- 17.5 km
- Elevation gain
- 1,054 m
- Average gradient
- 6.0 %
- Difficulty index
- 6.5 Sustained
Figures for the main climb (From Wuenheim). The other climbs are further down.
Location
- Department
- Haut-Rhin
- Altitude
- 1,343 m
- Coordinates
- 47.90368, 7.10326
Map of the climbs
- From Wuenheim
- From Willer-sur-Thur
- From Lautenbach
Cycling ascents
| Main climb | Distance | Elevation gain | Elevation loss | Average gradient | Steepest 500 m | Difficulty index |
|---|---|---|---|---|---|---|
| From Wuenheim | 17.5 km | 1,054 m | 13 m | 6.0 % | 9.8 % | 6.5 Sustained |
| From Willer-sur-Thur | 14.9 km | 944 m | — | 6.3 % | 9.9 % | 6.3 Sustained |
| From Lautenbach | 25.0 km | 1,049 m | 71 m | 4.2 % | 11.9 % | 4.2 Moderate |
Scroll the table sideways to see every column.
- 10% and above
- 8 to 10%
- 6 to 8%
- 4 to 6%
- under 4%
From Willer-sur-Thur
Minor departmental road · 0.2 km unpaved
From Lautenbach
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.
The Tour de France here
- Crossings
- 4
- Editions
- 4
- On the route
- from 2005 to 2026
- Usual category
- Category 3
| Year | Stage | Cat. | First over the top |
|---|---|---|---|
| 2026 | Stage 14 Mulhouse → Le Markstein | Category 1 | Valentin Paret-Peintre |
| 2019 | Stage 6 | Category 3 | Thomas De Gendt |
| 2014 | Stage 9 Gérardmer → Mulhouse | Category 3 | Tony Martin |
| 2005 | Stage 9 Gérardmer → Mulhouse | Category 2 | Michael Rasmussen, 10 P. |
Chains with
- Col du Haag 1,233 m
Cols one of the climbs above actually rides over — not merely neighbours as the crow flies.
Cols nearby
- Col du Platzerwasel 1,183 m · 9 km
- Col du Hundsruck 748 m · 12 km
- Col du Firstplan 722 m · 12 km
- Col d'Oderen 884 m · 14 km
- Col de Bussang 731 m · 15 km
- Col du Page 957 m · 16 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 du Grand Ballon?
The hardest climb of Col du Grand Ballon, from Wuenheim, is 17.5 km long for 1,054 m of ascent, i.e. 6.0% average.
What is the steepest part of Col du Grand Ballon?
The steepest 500 m sits at 9.8%, and the hardest kilometre is the 12th, at 8.3%.
How many times has the Tour de France been over Col du Grand Ballon?
The Tour de France has crossed Col du Grand Ballon 4 times, from 2005 to 2026.
Col du Grand Ballon: add this col to your collection
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