From Caudiès-de-Fenouillèdes
Departmental road
Col de Saint-Louis, 696 m, in Pyrénées-Orientales. Main climb: 5.5 km at 6.5% average, 355 m of climbing from Caudiès-de-Fenouillèdes. The Tour de France has been over it 1 times since 2021.
Figures for the main climb (From Caudiès-de-Fenouillèdes). The other climbs are further down.
| Main climb | Distance | Elevation gain | Elevation loss | Average gradient | Steepest 500 m | Difficulty index |
|---|---|---|---|---|---|---|
| From Caudiès-de-Fenouillèdes | 5.5 km | 355 m | — | 6.5 % | 14.2 % | 2.3 Easy |
| From Quillan | 13.2 km | 419 m | 12 m | 3.2 % | 7.0 % | 1.3 Easy |
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Departmental road
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.
| Year | Stage | Cat. | First over the top |
|---|---|---|---|
| 2021 | Stage 14 Carcassonne → Quillan | Category 2 | Bauke Mollema |
Straight-line distances, not road distances. The cols a climb actually rides over are listed above.
The hardest climb of Col de Saint-Louis, from Caudiès-de-Fenouillèdes, is 5.5 km long for 355 m of ascent, i.e. 6.5% average.
The steepest 500 m sits at 14.2%, and the hardest kilometre is the 3th, at 10.4%.
The Tour de France has crossed Col de Saint-Louis 1 times, from 2021 to 2021.
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