Passo Pecol di Chiaula
A 13 km HC ascent in Italy gaining 1,149 m net but 1,883 m total — an undulating climb that demands smart pacing and low gearing.
- Length
- 12.4km
- Avg
- 9.0%
- Max
- 17.0%
- Summit
- 1,797m
- Ascent
- 1,151m
The climb
Gradient profile
Overview
Passo Pecol di Chiaula is a hors-catégorie (HC) climb in Italy, running 13 km from a start elevation of 657 m to a summit at 1,806 m. The headline number is a net elevation gain of 1,149 m at an average gradient of 8.81%. That is a serious, sustained effort by any measure, and the HC rating tells you it sits above the standard category scale for length and steepness combined.
The raw net figure understates the work, though. Total ascent is 1,883 m — 734 m more than the net gain. That gap means the road does not climb monotonically: you give back roughly 734 m of descent across the profile and have to re-earn every metre. On paper you climb 1,149 m; in your legs you climb 1,883 m. Budget your energy against the larger number, not the smaller one.
How the Gradient Unfolds
An 8.81% average is a blended figure that hides both the recoveries and the walls. Because the profile undulates, some sections sit well below average and let you breathe, while others spike far above it to compensate. Do not treat any part as flat until you see it.
- Flatter and downhill sections where you can spin, drink, and recover — these are why the average lands at 8.81% despite steeper ramps
- Repeated short climbs stacked through the middle, each one clawing back elevation lost on the descents
- The steepest ramp is far above the average, so expect at least one pitch that forces you out of your comfortable rhythm
Pacing Notes
On an undulating climb like this, chase even effort, not even speed. Your pace will swing wildly between the recovery dips and the steep ramps, and trying to hold a constant speed will blow you up on the walls. Anchor your effort to your sustainable power output and let speed float with the gradient.
Ride the steep pitches at or just above threshold, then genuinely soft-pedal the flatter and downhill sections to clear fatigue before the next kick. If you do not know your numbers, run the FTP estimator first so your target zones reflect reality rather than optimism.
Gearing
The steepest ramp here is severe enough to dictate your whole setup. Do not turn up on standard road gearing. Fit a compact (34-tooth inner ring) or, better, a sub-compact chainset, and pair it with a wide-range cassette — a 34×32 or 34×34 low gear gives you the cadence to survive the steepest pitch without grinding to a stall. Check your chainset and cassette before the ride, not at the bottom of the climb.
Summary
- Length: 13 km
- Average gradient: 8.81%
- Net elevation gain: 1,149 m
- Total ascent: 1,883 m
- Category: HC
Passo Pecol di Chiaula rewards riders who respect the gap between net gain and total ascent. Pace to effort, gear low, and treat every recovery section as a chance to bank energy for the next ramp.