Col du Grand Cucheron
from Détrier · French Alps, 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.
Starting in Détrier, this side runs 19.5 km at 4.4% average — 864 m up to the 1 183 m summit, maxing at 16.2%. Its steepest kilometre averages 12.2% near km 17.8. On the Fiets scale this side rates 4.0. It is the gentler of the two approaches.
Surface
Asphalt99%
Gravel1%
Verified from OpenStreetMap surface data along the climb.
RIDE THE CLIMB
KM 0.8
KM 1.3
KM 1.8
KM 2.8
KM 3.8
KM 4.4
KM 4.9
KM 5.4
KM 6.4
KM 6.9
KM 7.4
KM 8.0
KM 8.5
KM 9.0
KM 9.5
KM 10.0
KM 10.5
KM 14.6
KM 15.7
KM 16.2
KM 16.7
KM 18.7
KM 19.2
KM 19.5FROM DÉTRIER
Distance
19.5km
Elevation gain
864m
Avg gradient
4.4%
Max gradient
16.2%
Summit
1183m
Category
CAT 1