Passo del Vicì

Overview

Passo del Vicì is a Category 1 climb that asks a serious question of your legs and never really lets up. Over 11.7 km it averages 8.02%, dragging you from a valley floor at 247 m up to a 1183 m summit. That is 936 m of net elevation gain, with 880 m of measured ascent packed into a single sustained effort. There are no long descents to recover on and no soft-pedal kilometres to hide behind — the average gradient alone tells you this is a climb where the difficulty is spread thickly from bottom to top.

How the Gradient Unfolds

The defining number here is consistency. An 8.02% average over 11.7 km means the road tilts up hard and stays there. But the 16.91% max gradient is where the climb bares its teeth. That figure sits more than eight points above the average, so expect ramps that briefly double the effort you have settled into. The shape is a grind punctuated by spikes: long stretches near the 8% mark, then abrupt pitches that force you out of rhythm before the road relents back toward its brutal average. With 936 m to gain across the full length, the climb keeps its altitude debt building steadily rather than dumping it all in one savage wall — but those steep pitches mean you can never fully switch off.

Pacing Notes

On a climb this long and this steep, pacing is everything. The 8.02% average makes this a threshold effort from the first pedal stroke, so anchor your ride to your FTP rather than chasing early enthusiasm. If you do not have a recent number, run the FTP estimator before you commit to a strategy. A useful approach is to hold a shade under threshold across the 8% sections and simply survive the 16.91% ramps — let power spike on the steep pitches, but keep the surges short and settle back the moment the gradient eases. With 11.7 km to cover, going into the red early means paying it back with interest long before the 1183 m summit. Fuel and drink on the shallower moments, because the steep ramps offer no comfortable window to reach for a bottle.

Gearing

Do not under-gear this one. With 8.02% sustained and 16.91% maximums, most riders will want a compact chainset and a wide-range cassette. A 34×32 is the sensible baseline and will get strong climbers up the steady sections while leaving something for the ramps. If you value your knees over 11.7 km, or you are carrying fatigue, step up to a 34×34 — that extra sprocket transforms the 16.91% pitches from a grind into a manageable spin. Given 936 m of climbing to absorb, err toward the easier ratio; a cadence you can hold is worth more than a taller gear you cannot.

Summary

Passo del Vicì is a proper Category 1 test — long, steep and unrelenting, with a max ramp that punishes any lapse in concentration. Gear low, pace to your FTP, and treat the 16.91% pitches as moments to survive rather than attack.

Length: 11.7 km
Average gradient: 8.02%
Max gradient: 16.91%
Start: 247 m
Summit: 1183 m
Net gain: 936 m
Total ascent: 880 m
Category: 1