The climb · Italy
About Monte Zoncolan
Monte Zoncolan is infamous for a reason. From the moment the serious ramps begin, it feels less like a climb and more like a confrontation. The road narrows, the gradient explodes, and every instinct tells you to slow down, even as you know you can’t.
The forest closes in, trapping heat and sound, and the effort becomes brutally personal. There’s no rhythm here, only survival, with each bend revealing yet another savage ramp. Time stretches, and progress feels painfully slow.
Reaching the top is an emotional release as much as a physical one. This is a climb that defines reputations and breaks illusions. You may never want to ride it again, but you’ll never forget it.
01 / The ascent
Elevation profile
02 / The crux
Where it gets difficult
Choose a distance to find the steepest continuous section of the climb.
Steepest 500 m average
16.6%
Where to find it
2.80–3.30 km from start
- Net height gained
- 83 m
- Section length
- 500 m
03 / The numbers
Climb statistics
- Distance
- 10.09 km
- Elevation gain
- 1,183 m
- Average gradient
- 11.7%
- Climb category
- HC
- Start elevation
- 550 m
- Summit elevation
- 1,731 m
04 / Your effort
How long would it take?
Enter the power you could hold for the whole climb. We calculate a moving time from the elevation profile and the forces you ride against.
Use your intended climbing effort, rather than FTP unless you can hold it for the predicted duration.
Bike + kit includes clothing, bottles and luggage.
Advanced settings
Defaults represent a road-bike scenario. Adjust these settings to match your tyres, drivetrain and riding position.
Modelled moving time
1 h 18 min
- Power throughout
- 225 W
- Average speed
- 7.8 km/h
Based on the 10.09 km elevation profile. Assumes steady power, with no stops, braking or drafting. Rounded to the nearest minute.
The science behind the calculation
For each part of the stored profile, we solve the steady-state cycling power equation for speed, then add distance ÷ speed across the climb. Gravity uses rider + equipment weight; available power is W/kg × rider weight. This uses the profile’s distance and elevation together, without mixing in another route’s metrics.
Power × efficiency = gravity + rolling resistance + air resistance + bearing losses
The resistance equations are adapted from Martin et al. (1998), Validation of a Mathematical Model for Road Cycling Power. Air density changes with profile altitude using NASA’s standard-atmosphere model. This calculator’s adaptation has not been independently validated.
It predicts travel at the power you enter, including on descents. It does not model acceleration, cornering, braking, traffic, wind, changing weather or fatigue. At altitude, choose power you can sustain there: thinner air reduces drag, but this model does not predict its effect on your ability to produce power. Profile quality and assumed equipment settings also affect the result.
05 / On the ground
Route map
Route overview
Monte Zoncolan
Ovaro, Friuli-Venezia Giulia, Italy
- Route length
- 10.09 km
- Total ascent
- 1,183 m
- Average gradient
- 11.7%
06 / Take it home
The climb, as artwork
Turn the route into a personalised topographic print. Choose your colours and composition, then download your artwork.
07 / Keep exploring
Nearby climbs

Monte Crostis
13.6 km · 10.1% · 1381 m gain
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4.1 km away · Explore climb →

Stronach
2.6 km · 12.5% · 327 m gain
Tirol, Austria
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Oscheniksee
16.1 km · 9.9% · 1660 m gain
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Passo Valparola from Pocol
11.4 km · 5.7% · 780 m gain
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58.0 km away · Explore climb →

Passo delle Erbe
15.2 km · 5.8% · 1019 m gain
San Martino In Badia, Trentino-Alto Adige, Italy
77.2 km away · Explore climb →
