From Gières
Minor road
Col de Pressembois, 570 m, in Isère. Main climb: 3.5 km at 9.7% average, 340 m of climbing from Gières.
Figures for the main climb (From Gières). The other climbs are further down.
| Main climb | Distance | Elevation gain | Average gradient | Steepest 500 m | Difficulty index |
|---|---|---|---|---|---|
| From Gières | 3.5 km | 340 m | 9.7 % | 12.1 % | 3.2 Moderate |
| From Murianette | 4.5 km | 337 m | 7.4 % | 11.6 % | 2.5 Easy |
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Minor road
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.
Straight-line distances, not road distances. The cols a climb actually rides over are listed above.
The hardest climb of Col de Pressembois, from Gières, is 3.5 km long for 340 m of ascent, i.e. 9.7% average.
The steepest 500 m sits at 12.1%, and the hardest kilometre is the 3th, at 10.5%.
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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