From La Valla-en-Gier
Departmental road
Croix de Chaubouret, 1,201 m, in Loire. Main climb: 10.6 km at 6.7% average, 710 m of climbing from La Valla-en-Gier. The Tour de France has been over it 1 times since 1999.
Figures for the main climb (From La Valla-en-Gier). The other climbs are further down.
| Main climb | Distance | Elevation gain | Elevation loss | Average gradient | Steepest 500 m | Difficulty index |
|---|---|---|---|---|---|---|
| From La Valla-en-Gier | 10.6 km | 710 m | — | 6.7 % | 10.7 % | 5.0 Moderate |
| From Saint-Pierre-de-Bœuf | 28.0 km | 1,120 m | 60 m | 4.0 % | 8.9 % | 4.2 Moderate |
| From Terrenoire (Saint-Étienne) | 16.7 km | 741 m | 20 m | 4.4 % | 9.1 % | 3.3 Moderate |
| From Bourg-Argental | 14.0 km | 682 m | 47 m | 4.9 % | 9.0 % | 3.1 Moderate |
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Departmental road
Departmental road
Departmental road
Minor departmental road
4 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 |
|---|---|---|---|
| 1999 | Stage 11 Le Bourg-d'Oisans → Saint-Étienne | Category 2 |
Straight-line distances, not road distances. The cols a climb actually rides over are listed above.
The hardest climb of Croix de Chaubouret, from La Valla-en-Gier, is 10.6 km long for 710 m of ascent, i.e. 6.7% average.
The steepest 500 m sits at 10.7%, and the hardest kilometre is the 8th, at 8.6%.
The Tour de France has crossed Croix de Chaubouret 1 times, from 1999 to 1999.
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