Passo dell'Incisa

Overview

Passo dell'Incisa is a Category 1 climb in Italy that demands respect before you even clip in. At 15.6 km from base to summit, it delivers 994 m of net elevation gain across a road that oscillates between manageable and outright brutal. The total ascent figure of 2,005 m — significantly higher than the net gain — tells you everything: this is not a steady grind. The road undulates, recovers, then attacks again.

Starting at 480 m above sea level and topping out at 1,474 m, the climb sits in proper mountain territory by the time you reach the top.

Gradient Profile

The 6.38% average gradient is a functional number for planning, but it masks the true nature of this road. A max gradient of 36.54% is extraordinary — one of the steeper pitches you will encounter on any classified climb. That kind of ramp doesn't appear as a single blip; roads that hit those numbers typically cluster several fierce ramps across the upper half, separated by brief flatter sections that feel like rest but rarely are.

The difference between the net elevation gain (994 m) and total ascent (2,005 m) confirms repeated ups and downs across the 15.6 km. Expect to earn meters, lose some, and earn them again. Mentally, this is harder than a straight-line ascent at the same average gradient.

What to Expect by Phase

• Lower slopes: Starting from 480 m, the road typically uses gentler terrain to build into the climb. Use this to settle into a sustainable rhythm rather than attacking early.
• Mid-climb: Where total ascent accumulation accelerates. The gap between net and total ascent suggests this section carries significant up-and-down variation — stay disciplined on the easier pitches rather than surging.
• Upper ramps: The 36.54% max gradient is almost certainly waiting here. Sections this steep reduce pacing to a simple rule: do not blow up before them. Anything over 20% at elevation requires near-maximal muscular effort regardless of how fit you are.

Pacing Notes

A 6.38% average across 15.6 km places this firmly in the territory where FTP is the primary reference point. For most athletes, a sustainable effort on a climb this long sits between 85–95% of FTP on the moderate sections. You can use the FTP estimator to calibrate your target power before the attempt.

The critical mistake on Passo dell'Incisa is treating the descents and flat sections mid-climb as free time. Because total ascent nearly doubles the net gain, you will be doing roughly twice the climbing work the elevation profile suggests. Conserve accordingly.

On the extreme ramps approaching the max gradient, seated climbing is preferable to standing if your gearing allows it — standing burns significantly more energy and at 36% you are already at the limit of what most riders can pedal through without stopping.

Gearing

Do not underestimate this climb on the basis of its 6.38% average. The 36.54% max gradient is a hard requirement for a compact or sub-compact chainset. A 34T inner ring paired with a 32T or 34T cassette sprocket is a minimum recommendation. Riders on standard double or semi-compact setups should honestly assess whether they can turn over a gear on a 36% pitch at elevation after 10+ km of climbing. If the answer is uncertain, fit lower gearing before the day.

Check your derailleur capacity if fitting a larger cassette — not all derailleurs handle 34T sprockets cleanly without a clutch upgrade or cage extension.

Summary

Passo dell'Incisa rewards patience and punishes optimism. Its Category 1 rating is earned through a combination of length, cumulative climbing, and extreme upper-slope gradients rather than a single relentless wall. Ride the lower half conservatively, manage the false flats honestly, and arrive at the steep ramps with legs still under you.