Colle di Zambla

Lombardy, Italy

Gradient:

<4%

4–7%

7–10%

10–12%

>12%

Approach route

APPROACH ROUTES

Colle di Zambla

from Ponte Nossa

CAT 1

Distance

16.1km

Elevation

813m

Avg %

5.1%

Max %

13.7%

<4%4–7%7–10%10–12%>12%

Colle di Zambla

from Ambria

CAT 1

Distance

23.0km

Elevation

931m

Avg %

4.1%

Max %

12.9%

<4%4–7%7–10%10–12%>12%

Colle di Zambla is a Category 1 cycling climb in Lombardy, Italy, cresting at 1 264 m. Its hardest ascent, from Ponte Nossa, covers 16.1 km at 5.1% average, gaining 813 m, with ramps up to 13.7%. The steepest kilometre averages 11.0%, around km 12. It can also be climbed from Ambria (23.0 km at 4.1%): 2 measured approaches in all, each profiled kilometre-by-kilometre against Copernicus GLO-30 elevation data. On the Fiets scale it rates 4.4. Late spring through autumn offers the most reliable conditions on the pass.