Col du Berthiand

from Serrières-sur-Ain · Jura, France

Gradient:

<4%

4–7%

7–10%

10–12%

>12%

Approach route

GRADIENT PROFILE

<4%4–7%7–10%10–12%>12%

Km-by-km average gradient from Copernicus GLO-30 elevation data along the road.

From Serrières-sur-Ain, Col du Berthiand climbs 6.4 km at 7.9% average, gaining 507 m to the 780 m summit, ramping to 11.0%. Its steepest kilometre averages 11.2% near km 0.6. On the Fiets scale this side rates 4.0. It is the tougher of the climb's two approaches.