Alto de Los Mendozas

Alto de Los Mendozas cycling climb profile

Alto de Los Mendozas is a category 3 climb that asks for discipline more than brute force. At 9.8 km with an average gradient of 3.73 percent, it sits in that awkward middle ground where the effort can feel deceptively manageable early, then slowly becomes expensive if you ride it like a false flat rather than a real ascent.

The climb rises from 74 m to 438 m, gaining 364 m from bottom to summit. That tells the story clearly enough: this is not a wall, but it is long enough to punish poor pacing. The maximum gradient is 6.19 percent, so the road does not appear to contain the kind of severe ramps that force a complete change of rhythm. Instead, the challenge is likely to come from duration and accumulation.

How the gradient shapes the ride

With an average under 4 percent and a maximum just over 6 percent, Alto de Los Mendozas should ride as a steady aerobic climb for most trained cyclists. The key is resisting the temptation to press too hard on the easier sections. On a climb this moderate, speed stays relatively high, which can mask the actual metabolic cost of riding above threshold.

The limited gap between the average gradient and the maximum gradient suggests a climb where the steeper moments are meaningful but not decisive on their own. If you are strong enough to stay seated and keep pressure on the pedals, the climb rewards rhythm. If you surge every time the road tips up, the final kilometers will feel much longer than the profile suggests.

Pacing and gearing notes

Treat the opening as controlled tempo rather than a launch pad. The climb is long enough that early overcommitment will compound, but not steep enough to naturally force you to back off. That makes perceived effort less reliable than power or heart rate.

Practical approach:

• Ride the lower slopes below your sustainable climbing effort, especially if targeting the full 9.8 km.
• Use gearing that lets you stay seated through gradients up to 6.19 percent without grinding.
• Avoid short accelerations unless you can recover without dropping below your intended rhythm.
• If pacing by /glossary/ftp, this is the type of climb where a small overshoot early can quietly decide the summit effort.

What to expect near the summit

Because the summit sits at 438 m after a start at 74 m, the climb is defined by a steady net rise rather than a single decisive pitch. The best ride will usually come from even pressure, smooth gear changes, and patience. Alto de Los Mendozas is not about surviving one brutal section. It is about respecting a moderate gradient for nearly ten kilometers and arriving at the top with the effort still under control.