Passo Cisa - Ziss-Sattel

Overview

Passo Cisa - Ziss-Sattel is a full hors catégorie (HC) climb, the hardest rung on the classification ladder above categories 1, 2, 3 and 4 — and it earns that label without argument. Over just 14 km the road hauls you from a valley floor at 219 m up to a summit of 1593 m, a net elevation gain of 1374 m. The average gradient reads a relentless 9.81%, a figure that would be considered a wall on most climbs and is sustained here for the better part of an hour. This is not a climb with a soft entry or a gentle roll-out; it is steep from the numbers up.

How the Gradient Unfolds

Do the arithmetic and the scale becomes clear. A 9.81% average across 14 km means there is nowhere to genuinely rest — the road simply does not flatten. With a total ascent of 1359 m recorded against a net gain of 1374 m, the profile climbs almost monotonically, with virtually no descending or false-flat relief giving the legs a break. The pain point is the 17.13% maximum: a pitch that is nearly double the average and steep enough to force you out of the saddle or into your final gear. Because the mean sits so high, expect the gradient to hover in the low-to-mid teens through the hardest stretches rather than dipping to anything forgiving. Treat every ramp above the 9.81% average as the norm, not the exception.

Pacing Notes

On a climb this steep and this long, pacing is everything. Anchor your effort to your FTP and hold something in reserve — starting above threshold on a 9.81% average for 14 km is a fast route to blowing up before the summit. If you do not know your current threshold, run the numbers through the FTP estimator first so you can set a realistic target wattage. Aim to ride the steady sections just under threshold and accept that the 17.13% ramp will spike you well over it briefly — that is unavoidable. The goal is to arrive at that maximum pitch with matches left to burn, not already deep in the red from over-cooking the lower slopes.

Gearing

Gear for survival, not ego. With a 9.81% average and a 17.13% maximum, a compact 34-tooth chainring paired with a wide-range cassette is the sensible baseline. A 34×32 is the minimum most riders should consider here, and even strong climbers will be grateful for a 34×34 when the gradient bites into the teens. If your setup allows anything easier still, use it — spinning a light gear preserves your legs far better than grinding a big one on a wall this steep.

Summary

Passo Cisa - Ziss-Sattel is an uncompromising HC test: short in distance but savage in gradient, with no meaningful respite from bottom to top. Come with easy gearing, a disciplined pacing plan, and respect for that 17.13% ramp.

Length: 14 km
Average gradient: 9.81%
Max gradient: 17.13%
Start: 219 m
Summit: 1593 m
Net gain: 1374 m
Total ascent: 1359 m
Category: HC