Collada de Xavier cycling climb profile
Collada de Xavier is a category 3 climb that asks for patience more than panic. On paper, 12.6 km at 3.71% is not a brutal climbing test, but the 10.65% maximum gradient changes how it should be ridden. The average tells you the climb is broadly manageable. The maximum tells you there are sharper sections where poor pacing and heavy gearing can turn a controlled effort into a costly one.
The climb starts at 590 m and tops out at 1059 m, gaining 469 m from bottom to summit. With 475 m of total ascent, the road is effectively uphill almost all the way. That matters tactically. There is not much hidden recovery in the profile, so even if the gradient is usually moderate, the effort can become cumulative if you ride above threshold too often.
How the gradient rides
The defining feature is the contrast between the modest 3.71% average and the 10.65% maximum. That combination usually produces a climb that feels rideable for long stretches, then interrupts the rhythm with steeper ramps. The key is not to treat the easier gradients as free speed. They are where you settle into an efficient tempo and keep the power smooth.
Because the net gain and total ascent are almost identical, the climb should be approached as a continuous ascent rather than a rolling road with repeated resets. Even shallow uphill kilometers still require pressure on the pedals, and over 12.6 km that steady load becomes the real limiter.
Pacing strategy
The cleanest way to ride Collada de Xavier is to cap the surges. If you are pacing by power, anchor the effort around a sustainable climbing output and allow only brief increases on the steepest ramps. This is the kind of climb where a rider can feel fresh early, push the lower slopes too hard, then lose efficiency when the road kicks up later.
If you are riding by feel, keep the opening controlled enough that your breathing remains stable. The target is not to attack every pitch, but to arrive at the steeper sections with enough margin to stay seated or shift cleanly rather than grinding.
For riders using /glossary/ftp, this climb is well suited to a steady sub-threshold effort, with short spikes only where the gradient forces them. The danger is not one single ramp. It is repeated small overages across a long, mostly uphill climb.
Gearing notes
Bring gearing that lets you keep cadence when the gradient reaches double digits. The average gradient may make the climb look friendly, but the 10.65% maximum is enough to expose an over-geared setup, especially late in the ascent.
A compact climbing gear is useful not because the whole climb is steep, but because the steepest moments are where muscular load can spike. Spinning through those sections preserves the legs and lets you return to tempo once the road eases.
Bottom line
Collada de Xavier is a steady category 3 ascent with enough bite to reward disciplined pacing. Ride it as a long, controlled climb, not a sequence of isolated ramps. Respect the 12.6 km duration, save the legs for the steepest pitches, and the profile becomes a measured aerobic effort rather than an avoidable fight with gradient and gearing.