Puerto de Bernedo

Overview

Puerto de Bernedo is a long-format Category 2 climb that trades savage steepness for sheer duration. Over its full 17.6 km it lifts you from a start elevation of 380 m to a summit at 992 m, a net gain of 612 m. The average gradient is a modest-sounding 3.47%, but stretch that percentage across nearly eighteen kilometres and it becomes a genuine test of patience and pacing rather than raw power.

The numbers tell an important story. The total ascent of 594 m sits just below the 612 m net gain, meaning the climb is almost entirely uphill with very little false descent to break your rhythm. What goes up mostly stays up. That makes Bernedo a rhythm climb — a place to settle into a sustainable effort and hold it, not a place to attack and blow.

How the Gradient Unfolds

With a 3.47% average and a max gradient of 7.26%, this climb never approaches the wall-like ramps of a hors catégorie monster. The steepest pitch tops out at 7.26%, roughly double the average, so expect the road to lean into you in short bursts while spending most of its length in the shallower single digits.

Because the total ascent (594 m) and net gain (612 m) are so close, there are no meaningful downhill recovery sections. Instead of dramatic swings, you get a long, consistent upward drag punctuated by the occasional stiffer kick toward that 7.26% ceiling. The mental model to carry: this is a metronome, not a rollercoaster.

Pacing Notes

On a climb this long and this steady, pacing to power beats pacing to feel. Anchor your effort to a percentage of your FTP and hold it — for most riders a tempo effort well under threshold will carry you the full 17.6 km without cracking, leaving margin for the 7.26% pitches.

If you don't know your threshold number, estimate it first with the FTP estimator, then set a ceiling and refuse to exceed it early. The classic error here is going out hard on the gentle lower slopes and paying for it across the remaining kilometres. Save something; 612 m of vertical is a long time in the saddle.

Gearing

You won't need an ultra-compact setup for a 3.47% average, but the climb's length argues for gearing that lets you spin comfortably for well over an hour. A compact 34-tooth inner ring is the sensible front choice. Pair it with a wide-range cassette: a 34×32 gives most riders a low enough gear to keep cadence high through the 7.26% sections, while a 34×34 adds an extra bailout for tired legs or heavy days. If you tend to grind, err toward the 34×34 — on a climb this sustained, a spare gear is cheap insurance.

Summary

Puerto de Bernedo rewards discipline over aggression: a long, steady Category 2 ascent that's more about holding a number than surviving a wall. Pace it evenly, gear it low, and let the 17.6 km come to you.

Length: 17.6 km
Average gradient: 3.47%
Max gradient: 7.26%
Start: 380 m
Summit: 992 m
Net gain: 612 m
Total ascent: 594 m
Category: 2