Dukla Pass

Overview

Dukla Pass is a short, honest climb that packs its work into a compact 2.8 km. Over that distance it lifts you from a start elevation of 284 m to a summit of 449 m, a net elevation gain of 165 m. The average gradient sits at 5.83%, which puts it firmly in the "steady but not gentle" bracket, and it earns a category 4 rating — the mildest of the classified categories that run HC, 1, 2, 3, 4. Do not let that rating fool you into complacency, though: the max gradient reaches 10.46%, nearly double the average, so there is a genuine sting hiding inside an otherwise approachable effort.

How the Gradient Unfolds

The gap between the 5.83% average and the 10.46% peak tells the whole story of this climb's shape. A climb that averaged 5.83% at a perfectly constant tilt would feel metronomic. Here, instead, the pitches vary: some sections sit below the average and give you room to breathe, while at least one ramp kicks up toward that 10.46% maximum and forces a hard change of rhythm. With a net gain of 165 m across 2.8 km, there is no room for the road to flatten into recovery stretches — every hundred metres is contributing to the elevation, so the "easier" sections are relative rather than truly flat. Expect a climb that rewards reading the road ahead and shifting before the steepest kick rather than after it.

Pacing Notes

At 2.8 km, Dukla Pass is short enough to ride slightly above your all-day tempo without blowing up — but only if you meter the effort against the 10.46% max. A good rule of thumb is to hold the 5.83% average sections at or just under threshold, then accept a brief surge above it on the steep ramp rather than trying to hold a constant power throughout. Knowing your FTP makes this call precise: it tells you exactly how much headroom you have for that surge before you tip into an effort you cannot sustain to the 449 m summit. If you have not tested recently, run the numbers through the FTP estimator first, then set your target for the average pitches a touch below that figure and save the matches for the maximum-gradient ramp.

Gearing

For a climb topping out at 10.46% over 165 m of gain, most riders will want a compact setup with a wide cassette. A 34×32 lowest gear is a sensible baseline and will carry stronger riders over the steep ramp with cadence to spare. If you tend to grind, spin a lower cadence, or are carrying fatigue into the 449 m summit, size up to a 34×34 — that extra sprocket keeps your legs turning through the 10.46% pitch instead of forcing you out of the saddle. On a climb this short, gearing that lets you stay seated and spin the hard section is almost always faster than muscling a bigger gear.

Summary

Dukla Pass is a quick, spicy category 4 test: 2.8 km at a 5.83% average that hides a 10.46% ramp, lifting you 165 m from valley to pass. Pace the steady sections against your FTP, save something for the steep kick, and pick gearing that keeps you seated and spinning.

Length: 2.8 km
Average gradient: 5.83%
Max gradient: 10.46%
Start: 284 m
Summit: 449 m
Net gain: 165 m
Total ascent: 141 m
Category: 4