Pass d’Ela

Overview

Pass d’Ela is a hors-catégorie (HC) climb in Switzerland, running 9.1 km from a start elevation of 1,197 m to a summit at 2,216 m. On paper it is a short-to-mid-length ascent, but the numbers behind it are severe: a net elevation gain of 1,019 m over that distance yields an average gradient of 11.14%. That is a figure sustained by very few climbs of this length, and it puts Pass d’Ela firmly in the territory of the hardest categorized ascents.

The gap between net gain and total ascent tells the real story. The climb gains 1,019 m net but records 1,266 m of total ascent — meaning roughly 247 m of climbing is "wasted" on undulation, small descents and re-climbs that don't count toward your net progress. On a road this steep, every one of those extra metres costs disproportionate energy, because you're repeatedly accelerating back up to pitch after giving away hard-won height. Budget your effort as if the climb were longer than its net profile suggests.

How the Gradient Unfolds

An 11.14% average is already brutal, but averages flatten the truth. On an undulating climb like this, the mean hides both the brief lulls and the walls. Expect the gradient to swing well above and below that number rather than settle into a steady grind. The maximum pitch hits 32.68% — a ramp that will force many riders out of the saddle or into a near-standstill.

• Short flatter or shallow-descent sections that offer momentary recovery — use them, but don't expect them to last
• Repeated short climbs stacked back-to-back, which is what drives the 247 m of extra ascent
• One or more brutal ramps peaking at 32.68%, where cadence collapses and torque matters most

Pacing Notes

On a smooth, even climb you can hold near-constant power and let speed vary. Pass d’Ela punishes that instinct. Even-effort pacing is still the goal, but the undulation means your power will naturally spike on the ramps and drop on the lulls. Resist the urge to chase a constant speed — that forces surges on the steep pitches that torch your reserves. Anchor your effort to a sustainable power output you can hold for the full 9.1 km, and let speed collapse on the walls without panic. If you don't know that number, run the FTP estimator before you ride so your ceiling is data, not a guess.

Gearing

The 32.68% maximum dictates your setup, not the average. A standard chainset will leave you grinding at destructive cadence. Fit a compact or sub-compact chainset paired with a wide-range cassette — think 34×32 or 34×34 as a minimum — so you have a bailout gear for the steepest ramps. Check your drivetrain, chain length, and rear derailleur capacity before the ride; discovering you're under-geared halfway up an HC climb is not recoverable.

Summary

• Length: 9.1 km
• Average gradient: 11.14%
• Maximum gradient: 32.68%
• Net elevation gain: 1,019 m
• Total ascent: 1,266 m
• Category: HC

Pass d’Ela is a short climb only by distance. The 11.14% average, the 247 m of undulation on top of net gain, and ramps hitting 32.68% make it a genuine HC test. Pace to sustainable power, gear low, and treat every recovery lull as a gift rather than a plan.