Alto de Vaires

Overview

The Alto de Vaires is a long, mostly gentle category 3 climb that trades brutality for patience. Over 13.3 km it lifts you from a start elevation of 831 m to a summit of 1234 m, a net elevation gain of 403 m. On paper the 3.02% average gradient looks almost casual, and for long stretches it is — this is a climb you can ride in the saddle, spinning a rhythm rather than grinding a wall.

But the numbers hide a twist. The total ascent of 485 m exceeds the 403 m net gain by 82 m, which tells you the road does not climb in a clean line. There are dips and false flats where you give back altitude before clawing it back again. And the maximum gradient of 11.52% is nearly four times the average — proof that at least one section bites far harder than the overall figure suggests.

How the Gradient Unfolds

Think of Alto de Vaires as a climb of two personalities. The 3.02% average is the story of the whole 13.3 km, but averages smooth over everything interesting. With a max of 11.52%, the road clearly stacks its difficulty into short, concentrated pitches rather than spreading it evenly.

The gap between net gain (403 m) and total ascent (485 m) means you climb an extra 82 m that you subsequently lose to descending or flat terrain. Expect rolling passages: a ramp that pushes toward double digits, then a breather or a slight drop, then another kick. The gentle average is your friend on the flatter thirds, but the 11.52% pitch is where the climb is won or lost. Read the road ahead and save something for it.

Pacing Notes

On a climb this long and this uneven, discipline matters more than raw power. Anchor your effort to your FTP and resist the temptation to burn matches on the early, easier gradient. The 3.02% sections should feel comfortably sub-threshold; bank that ease so you can absorb the 11.52% ramp without blowing up.

When the road tilts toward its maximum, a brief surge above threshold is fine — just keep it short and settle back once the pitch relents. If you are unsure what your threshold actually is, run the numbers through the FTP estimator before you ride, then set a target you can hold across the full 13.3 km rather than only the first few kilometres.

Gearing

The steady 3.02% average does not demand exotic gearing, but the 11.52% maximum does argue for a bailout. A compact chainset paired with a wide-range cassette covers this climb comfortably. A 34×32 will get most riders up the steep pitch while keeping a workable rhythm on the gentler stretches. If you prefer to spin, or you are carrying fatigue from a long day, a 34×34 gives you extra headroom on that 11.52% ramp and lets you protect your legs across the 485 m of total ascent. Either way, the goal is to keep your cadence smooth so the short steep section never forces you out of the saddle.

Summary

Alto de Vaires is a patient climb with a sharp edge: forgiving averages, a genuine sting near the top, and enough rolling terrain to keep you honest. Pace the easy parts, respect the steep pitch, and it rewards you with a satisfying arrival at 1234 m.

Length: 13.3 km
Average gradient: 3.02%
Max gradient: 11.52%
Start: 831 m
Summit: 1234 m
Net gain: 403 m
Total ascent: 485 m
Category: 3