Colle di Zambla
from Ambria · 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 Ambria approach to Colle di Zambla covers 23.0 km at 4.1% average, 931 m of ascent to the 1 264 m summit, with pitches to 12.9%. Its steepest kilometre averages 13.2% near km 20.9. On the Fiets scale this side rates 4.0. It is the gentler of the two approaches.
Surface
Asphalt99%
Gravel1%
Verified from OpenStreetMap surface data along the climb.
FROM AMBRIA
Distance
23.0km
Elevation gain
931m
Avg gradient
4.1%
Max gradient
12.9%
Summit
1264m
Category
CAT 1