Alto de Arboledas cycling climb profile
Alto de Arboledas is a long category 2 climb rather than a brutally steep one. The headline numbers tell the story: 24.8 km at an average gradient of 3.11%, starting at 262 m and reaching 1034 m. That gives the climb its main tactical character. It is long enough to punish poor pacing, but the gradient is moderate enough that speed, rhythm, and efficiency matter as much as pure climbing torque.
The average gradient is the key number here. At 3.11%, this is not a climb where most riders are forced into survival mode from the lower slopes. Instead, it should ride like a prolonged aerobic load, with enough elevation gain to accumulate fatigue gradually. The maximum gradient of 7.4% suggests the climb does contain sharper ramps, but the overall profile is still governed by its length and relatively modest average pitch.
How the gradient feels
With 772 m of net elevation gain spread across 24.8 km, the climb is unlikely to feel consistently steep from bottom to summit. The practical effect is that riders can carry momentum for long stretches, especially when the road sits near the average. But that also creates a pacing trap. A climb this shallow can feel deceptively easy early on, encouraging riders to ride above sustainable power because the speed still feels rewarding.
The steeper sections, topping out at 7.4%, are where that early overcommitment becomes expensive. On a short climb, a rider can absorb a few spikes and recover quickly. On a climb of this duration, each surge has a cost. If those ramps arrive after fatigue has already built, they can force cadence down and push effort above threshold.
Pacing and gearing notes
The best approach is controlled and even. Treat Alto de Arboledas as a long tempo climb, not as a sequence of attacks. Riders using power should anchor the effort below /glossary/ftp early, then allow brief rises only on the steeper ramps. If riding by feel, the first half should feel almost restrained. The climb is long enough that a strong finish is more valuable than a fast lower section.
Gearing should be chosen for cadence stability rather than emergency steepness. The maximum gradient of 7.4% does not demand extreme climbing gears for most riders, but a compact enough low gear is still useful because the climb lasts 24.8 km. The goal is to avoid grinding when the road pitches up, since low-cadence surges late in a long climb usually cost more than they return.
What matters most
Alto de Arboledas rewards discipline. Its 3.11% average gradient invites speed, but its category 2 length makes pacing the deciding factor. Ride the lower slopes smoothly, avoid chasing every small change in pitch, and save enough margin to handle the 7.4% ramps without breaking rhythm. The riders who do that will make the climb feel steady; the riders who race the average gradient too early will discover how long 24.8 km can feel.