Alto de Amaya

Alto de Amaya cycling climb profile

Alto de Amaya is a category 1 climb in BO that asks for patience more than aggression. On paper, the headline is straightforward: 10.9 km at an average gradient of 8.28%, climbing from 1355 m to 2253 m for 898 m of net elevation gain. In practice, that combination means the climb is long enough to punish early overpacing and steep enough that there is very little room to hide.

How the gradient unfolds

The available profile data does not break Alto de Amaya into smaller sectors, so the important takeaway is not a specific corner or ramp. It is the relationship between length, average gradient, and maximum gradient.

An average of 8.28% across 10.9 km is already firmly in sustained-climbing territory. If there are easier moments, they cannot be too generous without requiring harder sections elsewhere to keep the overall average that high. The max gradient of 12.65% confirms that riders should expect ramps that move beyond steady tempo and into torque management.

That makes Alto de Amaya a climb where the gradient likely feels relentless rather than explosive. The road gains 898 m from bottom to summit, so even a small pacing mistake early can become expensive late. The summit sits at 2253 m, which also makes the top half feel less forgiving if the effort has already drifted above sustainable climbing power.

Pacing and gearing notes

The right approach is controlled from the start. This is not the type of climb where a strong rider should chase the first steep pitch and hope to recover later. At 10.9 km, the duration is long enough that the average gradient will keep pulling the effort back toward threshold whether you want it to or not.

Use the opening portion to settle into a rhythm that feels almost too conservative. If you pace by power, anchor the effort around what you can actually sustain on a continuous climb, not what feels good for the first few minutes. Riders using /glossary/ftp as a reference should treat the early climb as a place to protect the final third, not to prove form.

Gearing matters. A climb averaging 8.28% with pitches up to 12.65% rewards a setup that lets you keep cadence under control when the road tilts into the steepest sections. If your easiest gear only works when you are fresh, it is probably not easy enough for this climb. The goal is to stay seated, avoid grinding too early, and keep one gear in reserve for the steeper ramps.

Tactical read

Alto de Amaya is best ridden as a sustained pressure test. The profile does not suggest a climb defined by one decisive wall. It is the accumulation that matters: steady gradient, meaningful elevation gain, and enough maximum steepness to punish anyone who arrives under-geared or overcommitted. Ride it with discipline early, and the upper slopes become manageable. Ride it emotionally, and the climb will make the correction for you.