Sella del Roite

Overview

Sella del Roite is a genuine hors catégorie monster: 22.3 km of climbing that averages 8.47% from base to summit. That is not a rolling average softened by flat sections — it is a sustained, punishing grade that starts at 182 m and finishes at 2074 m, a net elevation gain of 1892 m. The total ascent of 1880 m tells you the road climbs almost without relief, with only the faintest dips breaking the upward march. At 22.3 km, this is a climb measured in the better part of an hour for even strong riders, and the HC label is earned honestly.

How the Gradient Unfolds

An 8.47% average over 22.3 km is already brutal, but the story is in the variance. The max gradient of 18.96% means there are pitches more than twice as steep as the average — ramps that force you out of any comfortable rhythm and demand a hard, standing effort. Because the average sits so high, the "easy" sections here are still climbing at grades that would headline a lesser climb. Expect the road to swing between long sustained walls near the average and short vicious kickers approaching that 18.96% ceiling. With 1880 m of total ascent packed into 22.3 km, there is no meaningful recovery terrain; every kilometre takes back roughly the height you just fought for and adds more.

Pacing Notes

On a climb this long, pacing is everything. The 22.3 km distance and 8.47% average mean the sustainable path is to ride just under your threshold and hold it, letting the steep ramps push you briefly into the red rather than starting there. Anchor your effort to your FTP: riding at or slightly below it early leaves headroom for the pitches near 18.96%, where power spikes are unavoidable. If you do not know your number, run the numbers through the FTP estimator before you commit — going out too hard on a climb that gains 1892 m is a mistake you cannot undo. Save a little; the summit at 2074 m is a long way up.

Gearing

Gear for survival, not pride. With an 8.47% average sustained across 22.3 km and ramps hitting 18.96%, most riders will want the largest cassette they can fit. A compact 34-tooth chainring paired with a 34×32 low gear is the sensible starting point for fit climbers, giving you a rideable cadence on the sustained walls. If you climb at a lower cadence, are carrying fatigue from earlier efforts, or simply want insurance against the steepest pitches, step up to 34×34. On a climb that gains 1892 m with no real recovery, an extra sprocket is worth far more than the grams it costs.

Summary

Sella del Roite is a top-tier HC test: 22.3 km, an 8.47% average, ramps to 18.96%, and a summit at 2074 m reached by climbing 1892 m from the valley floor. Pace it with discipline, gear it generously, and respect every one of those 1880 m of ascent.

Length: 22.3 km
Average gradient: 8.47%
Max gradient: 18.96%
Start: 182 m
Summit: 2074 m
Net gain: 1892 m
Total ascent: 1880 m
Category: HC