Col du Grand Colombier
from Culoz · 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.
The Culoz approach to Col du Grand Colombier covers 17.7 km at 7.1% average, 1 252 m of ascent to the 1 498 m summit, with pitches to 22.1%. Its steepest kilometre averages 16.1% near km 6.3. On the Fiets scale this side rates 9.4. It is the tougher of the climb's two approaches.
Surface
Asphalt99%
Gravel1%
Verified from OpenStreetMap surface data along the climb.
FROM CULOZ
Distance
17.7km
Elevation gain
1252m
Avg gradient
7.1%
Max gradient
22.1%
Summit
1498m
Category
CAT 1