Col de Sommeiller / Colle del Sommeiller

Piedmont, Italy

Gradient:

<4%

4–7%

7–10%

10–12%

>12%

Approach route

APPROACH ROUTES

Col de Sommeiller / Colle del Sommeiller

from Bardonecchia

Distance

24.9km

Elevation

1722m

Avg %

6.9%

Max %

14%

<4%4–7%7–10%10–12%>12%

Col de Sommeiller / Colle del Sommeiller is a Hors Catégorie ascent in Piedmont, Italy, topping out at 3 009 m. The climb from Bardonecchia covers 24.9 km at 6.9% average, gaining 1 722 m, with ramps up to 14.0%. The steepest kilometre averages 11.7%, around km 7.2. The approach is profiled kilometre-by-kilometre against Copernicus GLO-30 elevation data. On the Fiets scale it rates 13.9, among the region's hardest. Above the treeline the summit holds snow well into spring, so the dependable riding window runs roughly June to October.