Maddalena Pass

What to Expect on the Maddalena Pass

Maddalena Pass sits in France, rising from a start elevation of 1,620 m to a summit at 1,994 m — a total ascent of 583 m across 8.3 km. That average gradient of 4.53% makes it look approachable on paper. The 19.75% maximum gradient tells a different story.

This is a Category 3 climb, but the gap between average and maximum steepness is unusually wide. Riders who treat it as a straightforward moderate effort will get ambushed by at least one ramp that nearly quadruples the mean gradient. Come in with a plan.

How the Gradient Unfolds

The 4.53% average spread over 8.3 km suggests a climb that is broadly manageable — closer in character to a long false flat than a pure mountain test. The ascent gain of 583 m is modest relative to the distance. What disrupts that picture is the 19.75% maximum, which indicates at least one sharp, concentrated pitch buried somewhere in the profile.

A few things to keep in mind about how climbs like this tend to behave:

• Lower slopes: Starting at 1,620 m, you're already at altitude. The air is thinner than at valley level, so even if the opening kilometres are gentle, your FTP will feel slightly compressed compared to what you'd produce at sea level.
• Mid-climb variations: With an average well below 6% but a max nearly touching 20%, the gradient distribution is uneven. Expect sections of relative relief broken by a wall-like ramp. There is no sustained punishment, but there is a nasty spike.
• The steep pitch: At close to 20%, this section demands a gear you can actually turn over — not just survive. If you arrive at it already working hard, your cadence will collapse unless you've saved something.

Pacing Strategy

The moderate average gradient can lull riders into pushing too hard early. Resist that. The start elevation of 1,620 m means altitude effects are already in play from the first pedal stroke.

Recommended approach:

• Target a power output around 85–90% of your FTP for the majority of the ascent. Use the FTP estimator if you need a baseline before attempting this climb.
• When you hit the ramp approaching 19.75%, shift down early — before your cadence drops below 70 rpm. Grinding a big gear through a 20% pitch burns matches you won't get back.
• After the steep section, resist the urge to celebrate with a surge. Regroup at a controlled pace and carry rhythm through to the summit at 1,994 m.

Gearing Notes

For a 19.75% maximum gradient, a compact chainset (50/34) paired with an 11-32 or 11-34 cassette gives most riders sufficient range. Riders on a standard 53/39 setup will want a 32-tooth cassette minimum. If you're running a 1x drivetrain, ensure your largest sprocket gives a gear ratio that lets you spin at 75–80 rpm on gradients approaching 20%.

Do not underestimate the climb because of its category rating. Category 3 reflects the total difficulty score — the 19.75% pitch is a legitimate technical challenge regardless of the label.

Summary

Maddalena Pass rewards patience. Ride the average, survive the maximum, and you'll reach 1,994 m with energy to spare.