Passo Scassella

Overview

Passo Scassella is a category 1 climb that asks for patience before it asks for power. Over 11.9 km it lifts you from a valley floor at 350 m to a summit at 1098 m, a net gain of 748 m at an average gradient of 6.26%. The total ascent measured along the road comes to 733 m, so almost every metre you climb is climbing you keep — this is a road that points up and stays there. With a peak pitch of 8.5%, nothing here is savage in isolation, but the relentless middle band of the gradient is what defines the effort. Think sustained tempo rather than repeated surges.

How the Gradient Unfolds

The maths tells the story cleanly. An average of 6.26% across 11.9 km with a maximum of 8.5% means the climb never tips into the double-digit walls that force you out of the saddle for survival. Instead, expect long stretches sitting a shade above and below the average. The gap between the 6.26% mean and the 8.5% ceiling is modest, which signals a consistent, evenly graded ascent rather than a stair-step of flats and ramps. Where the road nudges toward that 8.5% maximum, you will feel it in your cadence dropping; where it eases back toward and below the average, use the respite to settle your breathing rather than hammering. The evenness is the challenge: there are few natural recovery points, so the climb rewards riders who can hold a steady output for the better part of an hour.

Pacing Notes

On a climb this consistent, pacing to your sustainable ceiling matters more than reacting to the terrain. Anchor your effort to your FTP and aim to ride the bulk of the 11.9 km just under threshold, with a little in reserve for the pitches approaching 8.5%. Because the gradient rarely relents, going out too hard in the first few kilometres is the classic mistake — the 748 m of net gain will collect that debt with interest. If you are unsure of your number, run a quick check through the FTP estimator before you plan your target, then hold that power steady and let the metres tick down. Negative-splitting the second half is realistic here precisely because the slope is so uniform.

Gearing

For a sustained 6.26% average that touches 8.5%, most riders will want a compact chainset and a generous cassette. A 34×32 lowest gear is a sensible baseline and will keep your cadence civil through the steeper sections. If you climb at a lower cadence, carry more fatigue into the day, or simply want insurance against that 8.5% maximum near the top after 748 m of climbing in your legs, step up to a 34×34. The extra range costs you nothing on a climb with no flat recovery, and spinning a slightly easier gear will protect your legs across the full 11.9 km.

Summary

Passo Scassella is an honest, evenly graded category 1 climb: long, steady, and best ridden with discipline. Pace it to threshold, gear it generously, and let the consistent slope do the sorting.

Length: 11.9 km
Average gradient: 6.26%
Max gradient: 8.5%
Start: 350 m
Summit: 1098 m
Net gain: 748 m
Total ascent: 733 m
Category: 1