Passo Pozza della Cola

Overview

Passo Pozza della Cola is a genuine hors catégorie test, the kind of climb that rewards patience and punishes ambition. Over 11.9 km it averages a brutal 9.81%, hauling you from a valley floor at 128 m up to a summit of 1294 m. That works out to 1166 m of net elevation gain, with 1143 m of total ascent measured along the way — a figure that tells you the road climbs almost relentlessly, with very little respite to give the legs back what the slope takes. There is no easing into this one. From the moment the gradient bites, you are committed to a sustained effort that will last the better part of an hour for most riders.

How the Gradient Unfolds

The defining number here is that 9.81% average, because on a climb this long an average that high means there are almost no flat sections hiding in the profile to soften the math. The pitch that matters most is the 18.74% maximum — nearly double the average — a ramp steep enough to force you out of the saddle or drop you into your final gear whether you planned to or not. With net gain (1166 m) sitting slightly above total ascent (1143 m), the climb is essentially monotonic: it goes up, and it keeps going up. Expect the gradient to hover in the low double digits for long stretches, punctuated by those sharper kicks toward the 18.74% mark that spike your heart rate and demand a brief surge before the slope settles back to merely very hard.

Pacing Notes

On an HC climb of 11.9 km, discipline beats bravado every time. The most reliable approach is to ride the lower slopes just under your threshold and let the sustained 9.81% average do the work of raising your effort naturally. Anchor your pacing to your FTP: aim to sit a touch below it on the steadier sections so you have headroom to absorb the 18.74% ramps without redlining. If you do not know your threshold number, run your figures through the FTP estimator before you commit to a target — going out too hot on a climb with 1166 m of net gain is a mistake you cannot walk back once the road tilts up. Meter your effort in the first third, hold steady through the middle, and only spend what is left in the tank as the 1294 m summit finally comes into view.

Gearing

Gear for the steep pitches, not the average. With ramps hitting 18.74%, most riders will want a compact setup paired with a wide-range cassette. A 34×32 is the sensible minimum here, and even strong climbers will be grateful for it when the gradient spikes. If you tend to grind or you are carrying fatigue into the climb, step up to a 34×34 — the extra sprocket keeps your cadence alive on the hardest ramps and protects your knees across the full 11.9 km. On an HC climb, easier gearing is never a weakness; it is the tool that lets you keep turning the pedals when a taller gear would stall.

Summary

Passo Pozza della Cola is a full-value HC climb: long, steep, and unrelenting from bottom to top. Pace it with your threshold in mind, gear low, and respect the 18.74% ramps and you will reach the summit with a real sense of achievement.

Length: 11.9 km
Average gradient: 9.81%
Max gradient: 18.74%
Start: 128 m
Summit: 1294 m
Net gain: 1166 m
Total ascent: 1143 m
Category: HC