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Savoie

Col de l’Iseran

Col de l’Iseran links Val-d'Isère and Bonneval-sur-Arc over 29.8 km. The summit stands at 2,764 m, with 934 m of total climbing along the route.

Summit altitude
2,764 m
Route length
29.8 km
Total climbing
934 m
Hairpins (estimate)
≈ 9
The route in relief

Val-d'IsèreBonneval-sur-Arc

Elevation profile

Hover over the profile to follow the road on the map.

1,7502,0002,2502,5002,750 0 km5 km10 km15 km20 km25 km 2,764 m
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The climbs

  1. I

    Climb from Val-d'Isère

    Starts at 1,834 m

    of climbing
    16.3 km
    elevation gain
    926 m
    average gradient
    5.6 %
  2. II

    Climb from Bonneval-sur-Arc

    Starts at 1,792 m

    of climbing
    13.5 km
    elevation gain
    968 m
    average gradient
    7.1 %

Before you go

  • I

    High mountain pass: closed for much of the year. Opening depends on snow, so check road conditions before setting off.

  • II

    Those 934 m must be descended too: lower gear and engine braking on long descents.

  • III

    Around 9 hairpins: slow down and never cut the corner.

  • IV

    A road shared with cyclists, hikers and farm vehicles. Club meeting points are never published. Read the circle’s rules ↗

Nearby

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Relief: Terrain Tiles (Mapzen, AWS Open Data). Route, summit and altitude: © OpenStreetMap contributors (ODbL), OSRM routing. Profile computed from relief data; indicative values.