Col d'Ornon

French Alps, France

Gradient:

<4%

4–7%

7–10%

10–12%

>12%

Approach route

APPROACH ROUTES

Col d'Ornon

from Le Bourg-d'Oisans

CAT 1

Distance

11.3km

Elevation

645m

Avg %

5.7%

Max %

15.8%

<4%4–7%7–10%10–12%>12%

Col d'Ornon

from Saint-Laurent-en-Beaumont

CAT 2

Distance

27.3km

Elevation

762m

Avg %

2.8%

Max %

9.9%

<4%4–7%7–10%10–12%>12%

Rising to 1 371 m in the French Alps, France, Col d'Ornon is a Category 1 cycling climb. From Le Bourg-d'Oisans, the toughest side climbs 11.3 km at 5.7% average — 645 m of ascent, pitching to 15.8% at its steepest. The steepest kilometre averages 13.0%, around km 2.3. It can also be climbed from Saint-Laurent-en-Beaumont (27.3 km at 2.8%): 2 measured approaches in all, each profiled kilometre-by-kilometre against Copernicus GLO-30 elevation data. On the Fiets scale it rates 4.1. Late spring through autumn offers the most reliable conditions on the pass.