Sella di Calino

Overview

Sella di Calino is a Category 1 climb that asks a serious question of your legs. Over 10.3 km it lifts you from a start elevation of 101 m to a summit at 959 m, a net gain of 858 m. The average gradient sits at a punishing 8.33%, and the steepest section bites to 16.88%. That is not a climb you can ride into by feel and hope to survive the top half. The total ascent of 846 m confirms this is a near-continuous grind rather than a road broken up by flat recovery.

To put the difficulty in context: a Category 1 climb sits just one notch below hors catégorie, the hardest rating there is. An 8.33% average sustained for more than ten kilometres is the kind of effort that rewards discipline and punishes ego.

How the Gradient Unfolds

The headline number, 8.33%, is an average, and averages hide the story. With a maximum of 16.88%, the road more than doubles its average pitch at its cruelest point. Expect the gradient to swing above and below that 8.33% line repeatedly rather than holding steady.

The gap between the net elevation gain of 858 m and the total ascent of 846 m is small, which tells you there is very little descending or false-flat relief. Once the road tilts up, it stays up. Plan your effort around the assumption that the steepest ramps arrive when you are already deep into the climb.

Pacing Notes

The single most useful number for pacing a climb like this is your FTP. At 8.33% average over 10.3 km, most riders will be climbing for the better part of an hour, so this is a threshold-and-below effort, not a puncheur's sprint. Ride the first few kilometres a touch under what feels sustainable; the 16.88% ramps will claw back any early surplus and then some.

If you do not know your FTP, estimate it before you set a target using the FTP estimator. Anchor your climb to a wattage you can hold for the full 858 m of gain rather than chasing a heart-rate number that drifts. On the steepest pitches, let cadence fall and power spike briefly, then settle back down as the road eases toward the average.

Gearing

Gear for the 16.88% maximum, not the 8.33% average. A compact 34-tooth chainring paired with at least a 32-tooth cassette sprocket, a 34×32, is the sensible floor here. That combination gives a near 1:1 ratio, enough to keep the pedals turning through the worst ramps without grinding to a crawl.

If you climb at lower cadence, carry extra fatigue, or simply want insurance for the back half of a 10.3 km ascent, go one step easier with a 34×34. The sub-1:1 ratio of a 34×34 buys you spinning room precisely where the gradient tries to stall you, and on a climb this long, protecting your cadence is protecting your legs.

Summary

Sella di Calino is a long, steep, uncompromising Category 1 test: over ten kilometres at better than eight percent, with ramps that nearly double the average. Pace it on power, gear it for the steep bits, and respect the full 858 m of climbing.

Length: 10.3 km
Average gradient: 8.33%
Max gradient: 16.88%
Start: 101 m
Summit: 959 m
Net gain: 858 m
Total ascent: 846 m
Category: 1