Kandovan Pass

Overview

Kandovan Pass is short, high, and relentless. In just 2.8 km it gains 303 m of elevation, dragging you from a start at 2259 m to a summit at 2562 m. The average gradient of 10.67% tells most of the story: this is not a climb with genuine rest, but a sustained double-digit effort that punishes riders who start too hard. Rated a category 2, it earns its status through pitch and thin air rather than sheer length. At this altitude every watt costs more, and the 305 m of total ascent packed into under three kilometres leaves nowhere to hide.

How the Gradient Unfolds

The defining number here is consistency. With a 10.67% average and a maximum of 16.8%, the climb never dips far enough to let you soft-pedal. The gap between the average and the max — a little over 6% — is the swing you need to plan around: expect long stretches hovering near the average, punctuated by ramps that spike toward the mid-teens. Because the net gain of 303 m and total ascent of 305 m are almost identical, there is essentially no downhill or flat relief woven into the route. Every metre of the 2.8 km trends upward. Treat the steepest 16.8% pitches as the moments to survive, not attack, and keep something in reserve for the final drag to 2562 m, where altitude compounds fatigue.

Pacing Notes

On a climb this steep and this short, pacing is about restraint at the bottom. A climb averaging 10.67% will pull most riders above threshold if they respond to the early ramps emotionally rather than numerically. Anchor your effort to your FTP and aim to hold a steady percentage of it rather than chasing the gradient spikes. If you do not know your current threshold, run the numbers through the FTP estimator before you plan a target. Given the 2.8 km length, this is a sustained effort in the range of ten to twenty minutes for most riders — long enough that overcooking the first kilometre will cost you dearly on the pitches near 16.8%. Meter your energy across the full 303 m of gain and save your surge for the top.

Gearing

Steep and high, Kandovan rewards spinning over grinding. For most fit amateurs a compact 34-tooth chainring paired with a wide-range cassette is the sensible baseline. A 34×32 is the minimum I would bring to a 10.67% average, and even then you will be turning a heavy gear on the 16.8% ramps. If your legs or your altitude tolerance are in question, go to a 34×34 — the extra sprocket keeps your cadence up and protects your knees when the road tips into the mid-teens. At 2562 m, preserving cadence matters more than usual, so err toward the easier option.

Summary

Kandovan Pass is a compact, high-altitude test: 2.8 km of near-unbroken double-digit climbing that gains 303 m and tops out at 2562 m. Pace it on threshold, gear it to spin, and respect the 16.8% pitches. Get those three things right and the category 2 label feels fair; get them wrong and it will feel much harder.

Length: 2.8 km
Average gradient: 10.67%
Max gradient: 16.8%
Start: 2259 m
Summit: 2562 m
Net gain: 303 m
Total ascent: 305 m
Category: 2