Colle di Zambla
from Ponte Nossa · Lombardy, Italy
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.
The Ponte Nossa approach to Colle di Zambla covers 16.1 km at 5.1% average, 813 m of ascent to the 1 264 m summit, with pitches to 13.7%. Its steepest kilometre averages 11.0% near km 12. On the Fiets scale this side rates 4.4. It is the tougher of the climb's two approaches.
Surface
Asphalt97%
Gravel3%
Verified from OpenStreetMap surface data along the climb.
FROM PONTE NOSSA
Distance
16.1km
Elevation gain
813m
Avg gradient
5.1%
Max gradient
13.7%
Summit
1264m
Category
CAT 1