Alto de Guatica

Overview

Alto de Guatica is a long, steady Colombian climb that rewards patience over punch. Over 18 km it lifts you from 704 m to a summit of 1527 m, a net gain of 823 m. The average gradient of 4.56% sounds gentle, and for much of the road it is — but the 11.23% max tells you the ascent is not uniformly kind. This is a category 2 effort: hard enough to leave a mark, but a rung below the sport's headline monsters. Think of it as a sustained tempo climb with a handful of sharper interruptions rather than a single unrelenting wall.

How the Gradient Unfolds

The numbers describe the climb's shape well. With a net gain of 823 m but a total ascent of 785 m recorded, the road isn't purely uphill — there are brief flatter or dipping sections stitched into the 18 km, which is what keeps the average sitting at a modest 4.56%. That average is deceptive in the way most long climbs are: to spend time near 11.23% on the steep pitches, you must also spend time well below 4.56% elsewhere. Expect a rhythm of shallow drags where you carry speed, broken by short, steeper kicks that force you out of the saddle before the road relents again.

Pacing Notes

On a climb this long, the winning strategy is discipline. Anchor your effort to your FTP and resist the urge to chase the shallow early kilometres — the 11.23% ramps will punish anyone who arrives already redlined. Aim to hold a comfortably hard tempo through the 4.56% stretches, then allow your power to surge only on the steepest pitches, letting it settle again as the gradient eases. Because the climb spans 18 km, small pacing errors compound. If you're unsure where your sustainable threshold sits, run the numbers through the FTP estimator before you set your target watts, and treat the steep sections as controlled spikes rather than all-out attacks.

Gearing

Even at a 4.56% average, the 11.23% ramps mean you'll want low gearing to protect your legs across the full 823 m of climbing. A compact 34-tooth inner chainring is the sensible foundation. Paired with a 34×32, most riders will keep a comfortable cadence through the tempo sections and survive the steep pitches without grinding to a crawl. If you tend to spin, run heavier gear overall, or simply want margin on the 11.23% kicks late in an 18 km effort, step up to a 34×34 — the extra sprocket costs you nothing on the flatter drags and buys real relief when the road bites. Fresh legs favour the 34×32; tired legs and long days favour the 34×34.

Summary

Alto de Guatica is a classic long-and-steady category 2 climb: 18 km that trend gently upward at 4.56% but sting sharply at 11.23%, delivering 823 m of net elevation to a 1527 m summit. Pace it with your head, gear it for the steep exceptions, and it becomes one of the more satisfying tempo efforts you can ride.

Length: 18 km
Average gradient: 4.56%
Max gradient: 11.23%
Start: 704 m
Summit: 1527 m
Net gain: 823 m
Total ascent: 785 m
Category: 2