Zigana Pass

Overview

Zigana Pass is a full hors catégorie test: 14.5 km of climbing at an average of 7.79%, lifting you from a 975 m start to a 2102 m summit. That is a net elevation gain of 1127 m, and the raw numbers alone mark it as one of the more serious efforts you can point a road bike at. The average gradient never lets up enough to call any part of it a recovery climb, and with a maximum pitch of 20.08% waiting somewhere on the way up, it demands both patience and a healthy reserve of low-end power.

How the Gradient Unfolds

The shape of Zigana Pass is defined by the gap between its two headline gradient figures. A 7.79% average across 14.5 km is relentless in its own right, but the 20.08% maximum tells you the road is not uniform. Expect the incline to swing well above and below the mean, with steeper ramps sitting far above the average and shallower links between them offering only partial relief. Over the full 14.5 km you will climb 1127 m net, so on average every kilometre gives back a substantial chunk of altitude. When a pitch tips toward that 20.08% ceiling, more than double the average gradient, cadence collapses fast unless you have already left yourself gears and legs in hand. Read the road ahead and treat every steep ramp as a discrete effort rather than fighting the whole 14.5 km at once.

Pacing Notes

On a climb this long and this steep, discipline early is everything. Aim to settle into a sustainable rhythm on the opening slopes rather than chasing a number, because 14.5 km at 7.79% will expose any pacing mistake made in the first few kilometres. Anchor your effort to your FTP and hold a percentage of it that you can genuinely maintain to the 2102 m summit, then allow the steepest ramps toward 20.08% to push you briefly over that ceiling before you recover the surplus on the shallower sections. If you are not sure what your threshold is, run the numbers through the FTP estimator before you commit to a target. The goal is to arrive at the top having spent your budget evenly across all 1127 m of gain.

Gearing

Gear for the ramps, not the average. With a 7.79% mean and pitches to 20.08%, a compact 34-tooth chainring paired with a wide cassette is the sensible baseline. A 34×32 is the minimum most riders should consider here, and it will feel adequate on the sustained middle-of-the-road stretches. But when the gradient climbs toward 20.08%, a 34×34 gives you the extra room to keep the pedals turning and your cadence out of the danger zone. Given the 14.5 km length and 1127 m of gain, err toward the easier setup: spinning a 34×34 up the worst ramps costs you nothing and preserves your legs for the summit.

Summary

Zigana Pass is a long, honest HC climb that rewards even pacing and generous gearing. Respect the 20.08% ramps, hold your threshold across the 14.5 km, and the 2102 m summit is yours.

Length: 14.5 km
Average gradient: 7.79%
Max gradient: 20.08%
Start: 975 m
Summit: 2102 m
Net gain: 1127 m
Total ascent: 905 m
Category: HC