Col du Grand Colombier
from Bordèze · Jura, France
Gradient:
<4%
4–7%
7–10%
10–12%
>12%
GRADIENT PROFILE
<4%4–7%7–10%10–12%>12%
Km-by-km average gradient from Copernicus GLO-30 elevation data along the road.
From Bordèze, Col du Grand Colombier climbs 12.9 km at 6.9% average, gaining 887 m to the 1 498 m summit, ramping to 15.8%. Its steepest kilometre averages 13.4% near km 8. On the Fiets scale this side rates 6.6. It is the gentler of the two approaches.
Surface
Asphalt97%
Gravel3%
Verified from OpenStreetMap surface data along the climb.
FROM BORDÈZE
Distance
12.9km
Elevation gain
887m
Avg gradient
6.9%
Max gradient
15.8%
Summit
1498m
Category
CAT 1