Col d'Ornon

from Le Bourg-d'Oisans · French Alps, France

Gradient:

<4%

4–7%

7–10%

10–12%

>12%

Approach route

GRADIENT PROFILE

<4%4–7%7–10%10–12%>12%

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

Starting in Le Bourg-d'Oisans, this side runs 11.3 km at 5.7% average — 645 m up to the 1 371 m summit, maxing at 15.8%. Its steepest kilometre averages 13.0% near km 2.3. On the Fiets scale this side rates 4.1. It is the tougher of the climb's two approaches.