Col des Prés

French Alps, France

Gradient:

<4%

4–7%

7–10%

10–12%

>12%

Approach route

APPROACH ROUTES

Col des Prés

from Thoiry

CAT 1

Distance

8.7km

Elevation

611m

Avg %

Max %

11.7%

<4%4–7%7–10%10–12%>12%

Col des Prés

from Le Châtelard

CAT 3

Distance

14.2km

Elevation

469m

Avg %

3.3%

Max %

11.5%

<4%4–7%7–10%10–12%>12%

Col des Prés is a Category 1 cycling climb in the French Alps, France, cresting at 1 134 m. Its hardest ascent, from Thoiry, covers 8.7 km at 7.0% average, gaining 611 m, with ramps up to 11.7%. The steepest kilometre averages 11.3%, around km 4.7. It can also be climbed from Le Châtelard (14.2 km at 3.3%): 2 measured approaches in all, each profiled kilometre-by-kilometre against Copernicus GLO-30 elevation data. On the Fiets scale it rates 4.4. Spring to autumn brings the steadiest riding, with snow possible in mid-winter.