
Chaprot Pass
A long HC climb in PK: 36.8 km at 5.26%, rising from 1555 m to 3489 m with ramps up to 15.41%.
- Longueur
- 36.8km
- Moy
- 5.3%
- Max
- 15.4%
- Sommet
- 3,489m
- Dénivelé
- 1,916m
L'ascension
Profil de la pente
Chaprot Pass cycling climb profile
Chaprot Pass is an HC climb in PK, and the classification makes sense once the basic shape is clear: 36.8 km of climbing, 1934 m of net elevation gain, and a summit at 3489 m. The average gradient is 5.26%, which can look manageable on paper, but that number is doing a lot of smoothing. A maximum gradient of 15.41% tells you this is not a steady diesel climb from bottom to top.
The most important pacing point is that Chaprot Pass is long before it is steep. At 36.8 km, the climb rewards restraint more than aggression. Even if the opening road feels controlled, the total duration means early overpacing will compound badly, especially as the road rises from 1555 m to 3489 m. The higher finish matters because the same power will feel more expensive late in the climb, so the correct strategy is to arrive at the upper slopes with something left rather than trying to hold a perfect number from the first kilometre.
How the gradient unfolds
The available profile gives the overall length, average gradient, and maximum gradient, but not kilometre-by-kilometre sectors. That means the safest interpretation is not that Chaprot Pass sits at 5.26% all day. Instead, the climb should be read as a long, moderate average with sharper interruptions.
That contrast is the key. A 5.26% average over 36.8 km suggests long stretches where rhythm is possible, while the 15.41% maximum gradient points to ramps that can force sudden changes in cadence and torque. Those spikes are where riders who have been slightly above threshold for too long start paying. They are also where gearing choices become decisive.
Pacing and gearing notes
Treat Chaprot Pass as an endurance-controlled climb with threshold discipline, not as a punchy climb to be attacked repeatedly. If pacing by power, keep the bulk of the effort below your /glossary/ftp and save harder work for the steeper ramps rather than spending it on the lower, steadier gradients.
Gearing should be chosen for the 15.41% maximum gradient, not the 5.26% average. A setup that feels comfortable on a moderate grade can become too heavy once the road kicks up, especially late in a climb of this length. The goal is to preserve cadence on the steepest sections without needing to surge far above sustainable power.
Practical approach:
- Start conservatively from 1555 m and let the climb come to you.
- Use the moderate average gradient to settle into rhythm, not to chase speed.
- Expect the steepest ramps to decide the quality of the ride.
- Gear for the maximum gradient, because that is where fatigue will expose bad choices.
- Respect the 3489 m summit elevation and avoid turning the lower half into a time trial.
Chaprot Pass is demanding because it combines scale with variability. The headline average is not frightening, but the length, elevation gain, summit height, and 15.41% ramps make it a climb where disciplined pacing beats optimistic pacing almost every time.