Alto de São Tiago

Overview

Alto de São Tiago is a category 2 climb that packs a genuine test into 7.1 km of road. From a low start at 64 m, it lifts you to a summit of 464 m — a net gain of 400 m over its length. The average gradient reads 5.65%, which places it firmly in the sustained-effort bracket: steep enough to hurt if you go out too hard, shallow enough that a smart, even pace pays off. The total ascent of 372 m confirms the road climbs almost relentlessly, with little in the way of descending false-flat to give your legs a break.

How the Gradient Unfolds

The headline number, 5.65% average, hides a sharper story. The max gradient of 13.34% is more than double the average, so the climb is not a metronomic drag — it has bite. Over 7.1 km a 5.65% mean means most of the road sits in a comfortable-but-working range, but somewhere along the way the surface kicks toward that 13.34% peak. The 400 m of net gain versus 372 m of total ascent tells you almost every metre is spent going up: there are no meaningful recovery dips to reset your legs. Expect the effort to be honest and continuous, with the steepest pinch demanding a deliberate response rather than a panic.

Pacing Notes

The key to a climb like this is holding a steady effort just below your threshold and refusing to chase the steep pitch. Anchor your pacing to your FTP: a 7.1 km climb at 5.65% is long enough that a few over-cooked minutes early will cost you dearly near the 464 m summit. Aim to sit at a sustainable percentage of threshold on the average slopes, then accept a brief surge over your ceiling when the road tips toward 13.34% — but settle back down the moment it eases. If you are unsure where your threshold sits, run the numbers through the FTP estimator before you ride, so your pacing targets are grounded in real data rather than guesswork.

Gearing

With a max gradient of 13.34% arriving after you have already been climbing, gearing matters more than the 5.65% average suggests. A compact 34-tooth inner chainring is the sensible starting point. Pair it with a 34×32 for riders with good climbing legs who want to keep the cadence honest on the average slopes. If you know the steepest ramp toward 13.34% tends to unravel your rhythm — or you are riding at the end of a long day — step up to a 34×34 for extra margin. That lowest gear lets you spin over the pinch at a manageable cadence instead of grinding, which protects your legs across the full 7.1 km and 400 m of gain.

Summary

Alto de São Tiago rewards discipline: pace the 5.65% average, respect the 13.34% pitch, and gear low enough to keep spinning to the top. It is a category 2 climb that feels earned by the summit.

Length: 7.1 km
Average gradient: 5.65%
Max gradient: 13.34%
Start: 64 m
Summit: 464 m
Net gain: 400 m
Total ascent: 372 m
Category: 2