Col de l'Iseran

from Bessans · French Alps, France

Gradient:
<4%
4–7%
7–10%
10–12%
>12%

GRADIENT PROFILE

8.52.98.29.13.69.70246810121416182022km1676m2759m
<4%4–7%7–10%10–12%>12%

Km-by-km average gradient from Copernicus GLO-30 elevation data along the road.

From Bessans, Col de l'Iseran climbs 23.7 km at 4.6% average, gaining 1 082 m to the 2 764 m summit, ramping to 13.7%. Its steepest kilometre averages 12.7% near km 21.8. On the Fiets scale this side rates 6.7. It is the gentler of the two approaches.

Surface

Asphalt99%
Gravel1%

Verified from OpenStreetMap surface data along the climb.

RIDE THE CLIMB

View at km 0.3KM 0.3
Photo by joostjakob / Mapillary (CC-BY-SA 4.0) Source
View at km 0.8KM 0.8
Photo by joostjakob / Mapillary (CC-BY-SA 4.0) Source
View at km 1.8KM 1.8
Photo by pgiraud / Mapillary (CC-BY-SA 4.0) Source
View at km 2.3KM 2.3
Photo by pgiraud / Mapillary (CC-BY-SA 4.0) Source
View at km 2.8KM 2.8
Photo by pgiraud / Mapillary (CC-BY-SA 4.0) Source
View at km 4.4KM 4.4
Photo by joostjakob / Mapillary (CC-BY-SA 4.0) Source
View at km 5.9KM 5.9
Photo by alexmodesto73 / Mapillary (CC-BY-SA 4.0) Source
View at km 7.5KM 7.5
Photo by joostjakob / Mapillary (CC-BY-SA 4.0) Source
View at km 8.5KM 8.5
Photo by joostjakob / Mapillary (CC-BY-SA 4.0) Source
View at km 9KM 9.0
Photo by joostjakob / Mapillary (CC-BY-SA 4.0) Source
View at km 11.1KM 11.1
Photo by joostjakob / Mapillary (CC-BY-SA 4.0) Source
View at km 11.6KM 11.6
Photo by joostjakob / Mapillary (CC-BY-SA 4.0) Source
View at km 12.6KM 12.6
Photo by joostjakob / Mapillary (CC-BY-SA 4.0) Source
View at km 13.7KM 13.7
Photo by joostjakob / Mapillary (CC-BY-SA 4.0) Source
View at km 14.7KM 14.7
Photo by joostjakob / Mapillary (CC-BY-SA 4.0) Source
View at km 15.7KM 15.7
Photo by joostjakob / Mapillary (CC-BY-SA 4.0) Source
View at km 17.3KM 17.3
Photo by joostjakob / Mapillary (CC-BY-SA 4.0) Source
View at km 17.8KM 17.8
Photo by joostjakob / Mapillary (CC-BY-SA 4.0) Source
View at km 18.8KM 18.8
Photo by joostjakob / Mapillary (CC-BY-SA 4.0) Source
View at km 20.9KM 20.9
Photo by joostjakob / Mapillary (CC-BY-SA 4.0) Source
View at km 21.9KM 21.9
Photo by joostjakob / Mapillary (CC-BY-SA 4.0) Source
View at km 22.4KM 22.4
Photo by joostjakob / Mapillary (CC-BY-SA 4.0) Source
View at km 23.7KM 23.7
Photo by alexmodesto73 / Mapillary (CC-BY-SA 4.0) Source

FROM BESSANS

Distance

23.7km

Elevation gain

1082m

Avg gradient

4.6%

Max gradient

13.7%

Summit

2764m

Category

CAT 1