Puerto de Carrales

Overview

Puerto de Carrales is a 9.9 km category 2 climb in Spain that trades punchy heroics for honest, sustained effort. From a start elevation of 543 m it works its way up to a summit at 1009 m, a net gain of 466 m at an average gradient of 4.72%. On paper that average reads gentle, and for long stretches it is — but a max gradient of 11.17% means the road hides a few ramps sharp enough to break a rhythm you thought was locked in. It is the kind of climb that rewards riders who can hold a diesel pace and stay patient across nearly ten kilometres.

How the Gradient Unfolds

The defining feature here is the gap between the 4.72% average and the 11.17% maximum. That spread tells you the climb is not evenly pitched: mellow, rolling sections carry the average down while a handful of steeper kicks pull the maximum up. With a net gain of 466 m spread over 9.9 km, expect long ramps in the 4 to 6% band where you can settle into a cadence, punctuated by short stiffer pitches approaching 11%. Because the total ascent of 446 m sits just under the net gain, the profile is almost relentlessly upward — there is little in the way of false-flat recovery or descending relief to reset your legs before the next ramp.

Pacing Notes

Treat Carrales as a threshold climb rather than a sprint. At 4.72% average over 9.9 km, most riders will be climbing for a sustained block of time, so anchoring your effort to your FTP is the smart move. Aim to sit at or just below threshold on the mellow sections, then allow yourself to drift a little over FTP on the ramps toward 11.17% — knowing the gradient eases again afterward. If you do not have a current threshold number, run a quick check with the FTP estimator before you commit to a target. Going out too hard on the early slopes is the classic Carrales mistake; the climb is long enough to punish an over-cooked start.

Gearing

For a 9.9 km climb topping out at 11.17%, give yourself room to spin. A compact 34-tooth inner chainring paired with a wide-range cassette is the sensible baseline. A 34×32 will handle the bulk of the climb comfortably and cover most of the steeper ramps for stronger riders. If you prefer to protect your knees, keep cadence high, or expect fatigue late in the climb, step up to a 34×34 — that extra sprocket buys meaningful relief when the road tilts toward 11%. There is no penalty for having an easier gear you never use.

Summary

Puerto de Carrales is a patient, sustained category 2 test: 9.9 km of mostly steady climbing with just enough gradient variation to keep you honest. Pace it to your threshold, gear it for the ramps, and it becomes one of the more satisfying tempo efforts you can string together.

Length: 9.9 km
Average gradient: 4.72%
Max gradient: 11.17%
Start: 543 m
Summit: 1009 m
Net gain: 466 m
Total ascent: 446 m
Category: 2