Porto do Acevo

Overview

Porto do Acevo is a category-1 climb that asks a serious, sustained effort from the first pedal stroke. Over its 12.9 km it averages 7.49%, hauling you from a start elevation of 223 m to a 1191 m summit. That works out to 968 m of net elevation gain, with 934 m of total ascent along the road — a sign that this is an honest, mostly one-way climb with little in the way of respite descents to break the rhythm. The maximum gradient touches 11.08%, so while the average does most of the damage, there are ramps here that will spike your effort well above your steady-state pace.

How the Gradient Unfolds

The defining feature of Porto do Acevo is consistency. With an average of 7.49% and a maximum of 11.08%, the gap between "typical" and "hardest" is relatively narrow — this is not a climb of dramatic walls followed by recovery flats, but rather a long, grinding wall of near-uniform difficulty. Because total ascent (934 m) sits just below net gain (968 m), you can expect the road to climb almost continuously, with negligible flat or downhill sections to hide in. Practically, that means the steepest 11.08% pitches arrive on top of legs already loaded from kilometres of 7-plus-percent grade. There is nowhere to truly coast and reset, so the climb rewards riders who can hold a hard, even output rather than those who surge and recover.

Pacing Notes

On a climb this uniform, pacing is everything. The smartest approach is to ride to a target power rather than to feel, anchoring your effort to your FTP and holding a fraction below threshold so you have headroom for the 11.08% pitches. Given 12.9 km at 7.49%, most riders will be climbing for a long, continuous block — treat it as a sustained tempo-to-threshold effort, not a series of accelerations. If you don't know your threshold number, spend a few minutes with the FTP estimator before you plan your ride. Start a notch easier than feels necessary; on a climb with 968 m of gain and no recovery, the riders who blow up are almost always the ones who went out too hard in the first couple of kilometres.

Gearing

The combination of length, a 7.49% average, and 11.08% ramps makes low gearing your friend here. For most fit amateurs, a compact 34-tooth inner chainring paired with a 34×32 low gear covers the steady sections comfortably. But given that the 11.08% pitches land late, on tired legs, and there is no flat to spin out the fatigue, err toward the easier side: a 34×34 low gear gives you a cadence buffer that keeps your effort under control near the summit at 1191 m. If your bike can only offer 34×32, plan your pacing more conservatively to compensate. Spinning a low gear will always beat grinding a big one over 12.9 km.

Summary

Porto do Acevo is a long, consistent category-1 climb that rewards patience, even pacing, and generous gearing. Ride it to power, save something for the steep late ramps, and let the low gears do the work over its full 12.9 km.

Length: 12.9 km
Average gradient: 7.49%
Max gradient: 11.08%
Start: 223 m
Summit: 1191 m
Net gain: 968 m
Total ascent: 934 m
Category: 1