Portachuelo de Vigirima

Portachuelo de Vigirima cycling climb profile

Portachuelo de Vigirima is a long category 1 climb in Venezuela, and the defining feature is not an extreme headline gradient. It is the duration. At 20.3 km with an average gradient of 5.49%, this is the kind of ascent that punishes riders who treat the opening like a short hill and rewards those who settle into a controlled effort early.

The climb starts at 60 m and tops out at 1172 m, with 1112 m of net elevation gain. That tells the main story: this is a sustained uphill road with very little margin for repeated over-threshold surges. The total ascent is listed at 1096 m, so the profile should be approached as one long aerobic problem rather than a climb defined by constant rhythm changes.

How the gradient unfolds

With an average of 5.49% and a maximum of 9.06%, Portachuelo de Vigirima sits in the awkward middle ground between a big-ring tempo climb and a pure low-cadence grind. Most of the work is likely to feel manageable if paced correctly, but the maximum gradient is high enough to matter. Even if the steepest sections are brief, they will pull power above target unless you are disciplined with gearing.

The key tactical point is that the average gradient is moderate, but the climb is long enough for small pacing errors to compound. A rider who pushes the early kilometres at a pace that feels only slightly ambitious will still be carrying that cost deep into the ascent. The net gain is large enough that fatigue, heat, and cadence drift can become more important than the gradient number itself.

Pacing and gearing notes

Treat this as a sustained threshold-management climb, not a sequence of attacks. If riding by power, anchor the effort around a level you can hold for the full duration rather than chasing speed on the shallower sections. If using feel, the opening should feel almost too controlled. The climb is long enough that restraint early is not conservative - it is the fastest way to avoid fading.

Gearing should leave room for the 9.06% maximum gradient without forcing a low-cadence grind. A compact or sub-compact setup, paired with a cassette that gives a bailout gear, makes sense for most riders. The goal is not just to survive the steepest pitch, but to keep cadence stable so muscular fatigue does not take over before the summit.

For training, this climb is a strong fit for sustained tempo, sweet spot, or controlled /glossary/ftp work. The winning approach is simple: keep the effort smooth, avoid burning matches on the steepest ramps, and save enough to ride the final kilometres without having to negotiate with the gradient.