Passo Pramaggiore

Overview

Passo Pramaggiore is a long, patient category-1 climb that trades brute steepness for sheer duration. Over 22.6 km the road lifts you from a start elevation of 514 m to a summit at 1708 m, a net gain of 1194 m. The average gradient reads a moderate 5.29%, but that figure hides the climb's real character: with a total ascent of 1138 m logged over the full distance, this is a sustained effort that rewards rhythm and punishes anyone who goes out too hard. The category-1 rating — one tier below the hardest HC — tells you this is a serious mountain, just short of the very toughest classification.

How the Gradient Unfolds

At 5.29% average across 22.6 km, Pramaggiore is the kind of climb where the number on the sign lies about the experience. The gap between the 1194 m net gain and the 1138 m of total ascent means the road is not relentlessly upward — there are pitches that ease and possibly short reprieves that break the ascent into digestible blocks. That said, the max gradient of 28.57% is brutal. A ramp that steep is more than five times the average, so somewhere on this mountain there is a wall that will spike your heart rate and force you out of the saddle. Expect long stretches near the 5% average punctuated by that one savage kick. Knowing where the gentle sections sit lets you recover; knowing the 28.57% pitch is coming lets you save something for it.

Pacing Notes

On a climb of 22.6 km, discipline beats bravado. Anchor your effort to your FTP and hold a steady wattage through the shallower kilometres rather than chasing the moment-to-moment gradient. If you do not know your threshold, run the numbers through the FTP estimator before you commit to a target. The danger zone is the 28.57% ramp — a brief surge over threshold is unavoidable there, so ride the preceding kilometres a touch conservatively to leave a match to burn. With 1194 m of vertical to absorb, negative-splitting the climb, or at least holding even pace, will get you to 1708 m faster than an aggressive early push you cannot sustain.

Gearing

Do not under-gear this one. The 5.29% average is spinnable on almost anything, but the 28.57% max gradient demands a bailout ratio. A compact 34-tooth inner paired with at least a 34×32 will carry most riders through the sustained middle of the climb. For that near-30% wall, or if you tire toward the 1708 m summit, a 34×34 gives you the extra range to keep the cranks turning rather than grinding to a halt. Given the 22.6 km distance, the lower gear is cheap insurance.

Summary

Passo Pramaggiore is a test of patience first and legs second: 22.6 km of steady climbing hiding one ferocious 28.57% pitch. Pace it to your threshold, gear low, and respect the full 1194 m of ascent to the top.

Length: 22.6 km
Average gradient: 5.29%
Max gradient: 28.57%
Start: 514 m
Summit: 1708 m
Net gain: 1194 m
Total ascent: 1138 m
Category: 1