Foce del Cucco

Overview

Foce del Cucco is a short, savage Category 1 climb that packs a full day's suffering into 5.5 km. From a low start at 52 m, the road claws its way up to a 522 m summit, a net gain of 470 m over that brief distance. Do the math and the number that matters jumps out: an average gradient of 8.56%. There is no easing into this one. The moment the gradient bites, it stays clamped on, and it does not let go until the summit sign.

Category 1 sits just below hors catégorie, the hardest rung, and Foce del Cucco earns the label through sheer sustained steepness rather than length. On a climb this compact, every percentage point is felt in the legs almost immediately.

How the Gradient Unfolds

The defining trait here is consistency of pain. With 8.56% as the average and 14.22% as the peak, the spread between "hard" and "brutal" is narrow — this is not a climb that alternates between recovery flats and walls. Instead, expect long stretches hovering near or above the average, punctuated by ramps that spike toward that 14.22% maximum.

Total ascent registers at 446 m against a net gain of 470 m, which tells you the road climbs almost monotonically upward with little in the way of descending relief. There is nowhere to freewheel and recover. What you lose to a steep ramp, you pay for immediately, because the next section rarely lets your heart rate settle.

Pacing Notes

On a climb this steep and this short, discipline early is everything. The temptation is to attack the lower slopes, but 5.5 km at 8.56% will expose an over-cooked start well before the summit. Ride it just under your threshold — a hair below your sustainable FTP — and save a small reserve for the ramps that push toward 14.22%.

If you are unsure of your ceiling, run the numbers through the FTP estimator before you plan your effort. Knowing your threshold power lets you translate this 470 m of climbing into a target you can actually hold, rather than guessing and blowing up on the steepest pitch.

Gearing

Do not under-gear Foce del Cucco. A sustained 8.56% average with spikes to 14.22% is exactly the terrain that punishes tall gearing. A compact 34-tooth chainring paired with a wide cassette is the sensible baseline. A 34×32 will get most fit riders up the sustained sections, but on the steepest ramps you may find yourself grinding.

If you want to spin rather than heave, a 34×34 buys you that extra bailout gear for the pitches near the maximum. Given the short 5.5 km distance, carrying the marginally lower ratio costs you almost nothing and protects your legs for the hardest ramps.

Summary

Foce del Cucco is a compact Category 1 test: brief, steep, and unrelenting. Pace it with restraint, gear it generously, and respect the ramps.

Length: 5.5 km
Average gradient: 8.56%
Max gradient: 14.22%
Start: 52 m
Summit: 522 m
Net gain: 470 m
Total ascent: 446 m
Category: 1