From Chames
Departmental road
Col du Serre de Tourre, 323 m, in Ardèche. Main climb: 2.6 km at 10.8% average, 283 m of climbing from Chames.
Figures for the main climb (From Chames). The other climbs are further down.
| Main climb | Distance | Elevation gain | Elevation loss | Average gradient | Steepest 500 m | Difficulty index |
|---|---|---|---|---|---|---|
| From Chames | 2.6 km | 283 m | 75 m | 10.8 % | 20.3 % | 1.6 Easy |
| From Les Crottes | 4.1 km | 204 m | 53 m | 5.0 % | 17.1 % | 0.6 Easy |
Scroll the table sideways to see every column.
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.
Straight-line distances, not road distances. The cols a climb actually rides over are listed above.
The hardest climb of Col du Serre de Tourre, from Chames, is 2.6 km long for 283 m of ascent, i.e. 10.8% average.
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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