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HC Where this climb is: BergamoLombardy, Italy

Passo di Zambla

South-eastern ascent from Ponte Nossa
GPX Profile
Length
13.9 km
Height gain
808 m
Average
5.8%
Steepest km
9.5%
Summit altitude
1262 m
Difficulty
163
2 ways up Compare all 2

Elevation profile

454 m → 1262 m Touch or hover to inspect
Elevation profile: Passo di Zambla from Ponte Nossa
0–4% 4–6% 6–8% 8–10% 10–14% 14%+
Steepest km: km 4 at 9.5%

Climb analysis

Where the climbing is

0–4%
4.8 km
4–6%
1.5 km
6–8%
4.2 km
8–10%
2.8 km
10–14%
0.8 km
14%+
0.0 km

Hardest sustained

1 km · km 10.6–11.6
9.7%
2 km · km 9.6–11.6
8.6%
5 km · km 8.8–13.8
7.3%

Time to the top

1h 00 at 3 W/kg · 70 kg rider + 8 kg bike, no wind
How this is calculated

Kilometre by kilometre

Export CSV
Km Altitude Gradient 0–15%
1 479 m 2.5%
2 518 m 4.0%
3 589 m 7.0%
4 684 m 9.5%
5 694 m 1.0%
6 750 m 5.6%
7 786 m 3.6%
8 845 m 5.8%
9 906 m 6.1%
10 966 m 6.0%

Route map

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Directions
Satellite
Road surface not mapped yet Report a road type
No tunnels mapped Map a tunnel

About Passo di Zambla

How long and how steep?
From Ponte Nossa, Passo di Zambla is 13.9 km long and climbs 808 m at an average of 5.8%, to a summit at 1,262 m. Its steepest kilometre, km 4, averages 9.5%.
How long does it take?
At 3 W/kg it takes about 1 h 00 min to reach the top, at 4 W/kg about 47 min (70 kg rider, 8 kg bike, no wind).
What category is it?
It's an HC (hors catégorie) climb, with a difficulty score of 163.
Where is it?
It's in Bergamo, Lombardy, Italy.

How hard is 163?

Difficulty score is length × gradient, weighted for the steepest kilometre.

Mixões da Serra por Carrazedelo, Cela 163
A Muralla por Teaio, Parafita 163
Passo di Zambla, Ponte Nossa 163
Col du Béal, Leigneux 163
Mirador de Cherfe, Masca 162

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Added by jose-juan-luque-aranda · 1 contributor

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