Col de Grosse Pierre

Vosges, France

Gradient:

<4%

4–7%

7–10%

10–12%

>12%

Approach route

APPROACH ROUTES

Col de Grosse Pierre

from Cornimont

CAT 3

Distance

12.3km

Elevation

451m

Avg %

3.7%

Max %

7.7%

<4%4–7%7–10%10–12%>12%

Col de Grosse Pierre

from Gérardmer

CAT 3

Distance

7.2km

Elevation

290m

Avg %

Max %

11.2%

<4%4–7%7–10%10–12%>12%

Col de Grosse Pierre is a Category 3 ascent in the Vosges, France, topping out at 955 m. The Gérardmer approach is the hardest — 7.2 km at 4.0%, 290 m gained, maxing at 11.2%. The steepest kilometre averages 10.4%, around km 5. It can also be climbed from Cornimont (12.3 km at 3.7%): 2 measured approaches in all, each profiled kilometre-by-kilometre against Copernicus GLO-30 elevation data. On the Fiets scale it rates 1.2. Spring to autumn brings the steadiest riding, with snow possible in mid-winter.