
Moosalp
At 22.1 km with 1,411 m of net elevation gain and a brutal 25% maximum gradient, the Moosalp is one of Switzerland's most demanding HC climbs.
- Length
- 22.1km
- Avg
- 6.4%
- Max
- 25.0%
- Summit
- 2,047m
- Ascent
- 2,122m
The climb
Gradient profile
Overview
The Moosalp is a hors-catégorie climb in Switzerland that demands respect from the first pedal stroke. Starting at 636 m elevation and topping out at 2,047 m, it delivers 1,411 m of net elevation gain across 22.1 km. The average gradient of 6.4% sounds manageable on paper, but the total ascent figure of 2,122 m — significantly higher than the net gain — signals that the road is not monotonous. Expect gradient swings, brief recoveries, and sections that bite hard.
How the Gradient Unfolds
A 6.4% average over 22 km is a long sustained effort by any measure. The gap between net elevation gain (1,411 m) and total ascent (2,122 m) tells you that the road loses and regains height at multiple points — meaning you cannot fully bank rest on the flatter sections because you will pay for every descent with another wall on the other side.
The 25% maximum gradient is the number that defines how you plan the entire ride. A pitch that steep — roughly 1 in 4 — is not something you can muscle through mid-climb on a fatigued body. It demands:
- Correct gearing before you arrive at the steep sections, not reactive shifting under load
- A controlled heart rate in the opening kilometres, because arriving at a 25% ramp already deep in your FTP zone makes it nearly impossible to maintain form
- Seated climbing technique on the steepest gradients to keep rear-wheel traction
Pacing Strategy
Given the HC classification and 22.1 km length, treat this as a long threshold effort with selective surges, not a steady-state TT. Here is a practical framework:
Opening 8–10 km
Resist the temptation to push hard early. The elevation profile rewards patience. Keep power below threshold and cadence comfortable — spinning rather than grinding preserves muscular endurance for the upper sections where gradients stiffen.
Mid-Climb
As gradient variability increases, shift your focus from power targets to perceived exertion and breathing control. On any false flat or brief descent, do not stop pedalling — use those sections to recover heart rate while keeping momentum, not to coast.
Final Approach to 2,047 m
The summit elevation means altitude becomes a minor but real factor in the closing kilometres — oxygen availability drops and perceived effort increases even if your power output stays flat. If you have used a power estimator to benchmark your fitness beforehand, target 90–95% of your FTP for the sustained sections and accept that the 25% maximum pitch will require a brief, controlled spike above that.
Gearing Recommendations
Do not underestimate the 25% maximum gradient. For most riders:
- A compact chainset (50/34) paired with an 11-32 or 11-34 cassette gives adequate range
- Riders who turn a lower cadence or carry extra weight should consider a 1× setup or a wide-range cassette (11-40+)
- Climbing in too hard a gear on the steep pitches accelerates muscular fatigue and risks losing traction — shift early and spin through
Summary
The Moosalp is an HC-category climb that earns its rating through sheer length and gradient volatility. The 22.1 km distance and 1,411 m of net elevation gain make it a significant physical undertaking, while the 25% maximum gradient ensures there is no room for complacency in gear selection or pacing. Arrive with the right gearing, start conservatively, and manage the steep pitches with technique rather than brute force.