Sedda ru Cuntrasto

Overview

Sedda ru Cuntrasto is a long, patient category 2 climb that trades severity for sheer duration. Over 22.4 km the road lifts you from a valley floor at 177 m to a summit of 1121 m, a net gain of 944 m. The average gradient reads a modest 4.22%, but that headline number hides the real character of the ascent: this is a climb you settle into for the better part of an hour, not one you attack in a single burst. With a total ascent of 976 m recorded against 944 m of net gain, there are small dips and false flats folded into the profile, meaning the climbing is never quite as continuous as the length suggests.

How the Gradient Unfolds

A 4.22% average across 22.4 km tells you the road rarely stands up straight, yet the 10.82% maximum proves it can bite. The gap between the total ascent of 976 m and the net gain of 944 m — 32 m — is the giveaway: somewhere on this climb the road briefly gives elevation back before reclaiming it, so expect a handful of ramps that break the rhythm. Treat the 4.22% figure as an average of a saw-tooth, not a promise of uniform grade. The steepest pitch at 10.82% is more than double the average, so the hardest sections demand roughly twice the effort of the easy ones.

Pacing Notes

On a climb this long, discipline beats bravado. Because it stretches to 22.4 km, hold your effort close to your sustainable threshold — your FTP — rather than surging on every ramp. The gentle 4.22% average lets you spin steadily, but each spike toward 10.82% will spike your power if you let it, so ease your pressure on the pedals slightly before the steep pitches and roll the momentum through them. If you are unsure of your threshold before tackling the full 944 m of climbing, run the numbers through the FTP estimator first and set a wattage ceiling you can hold for the whole 22.4 km.

Gearing

For a 944 m ascent at 4.22% average, a compact setup gives you room to breathe. A 34×32 lowest ratio is enough for most riders to keep a comfortable cadence across the gentler stretches. But because the road stiffens to 10.82% — more than double the average — a 34×34 is the safer choice, especially deep into a 22.4 km effort when your legs are tiring and the steepest ramps arrive late. If you have the option, fit the 34×34; the extra range costs you nothing on the flatter sections and buys real relief on the pitches that matter.

Summary

Sedda ru Cuntrasto rewards steady pacing and honest gearing. It is not a punishing wall but a sustained test of endurance, climbing 944 m over 22.4 km with just enough steep punctuation — up to 10.82% — to keep you honest. Bring a low gear, hold your threshold, and let the length do the work.

Length: 22.4 km
Average gradient: 4.22%
Max gradient: 10.82%
Start: 177 m
Summit: 1121 m
Net gain: 944 m
Total ascent: 976 m
Category: 2