Alto de La Julia
A 13.1 km category 1 grind averaging 6.11% and spiking to 17.22%, lifting you 801 m from 976 m to a 1777 m summit.
- Length
- 13.1km
- Avg
- 6.1%
- Max
- 17.2%
- Summit
- 1,777m
- Ascent
- 766m
The climb
Gradient profile
Overview
Alto de La Julia is a long, honest category 1 climb that asks for patience rather than a single heroic effort. Over 13.1 km the road lifts you from a valley floor at 976 m to a summit of 1777 m, a net gain of 801 m. The average gradient sits at 6.11%, firmly in the range where a steady tempo pays off and impatience punishes you. It is the kind of ascent you settle into for the better part of an hour, letting the numbers do the talking.
How the Gradient Unfolds
The headline figure is that 6.11% average, but averages hide the texture of a climb like this. With a maximum pitch of 17.22%, there is a section here that spikes to nearly three times the mean, and those steep pinches are where riders come undone. Note too that the net elevation gain of 801 m is larger than the total ascent of 766 m — a small clue that the road is not relentlessly upward. There are brief levelings or shallow dips where you can breathe, followed by ramps that reclaim the height. Read the climb as a series of pulses: long sustained stretches near the average, punctuated by short, sharp walls that demand a gear in reserve.
Pacing Notes
On a climb of this length, discipline in the opening kilometres is everything. Anchor your effort to your FTP and resist the urge to chase the early gradient. A sustainable target for most riders is a percentage just below threshold, held evenly, so you arrive at the 17.22% pinches with headroom rather than debt. If you do not know your threshold, run the numbers through the FTP estimator before you commit to a pacing plan. The steep ramps will briefly push you over your target power — that is fine, provided you ease back onto the shallower sections instead of trying to hold the surge. Think of the 801 m of net gain as a budget spent slowly.
Gearing
Gearing is what turns those steep pinches from a survival crawl into a manageable rhythm. With a max gradient of 17.22%, a compact chainring paired with a wide cassette is strongly recommended. A 34×32 will get most fit riders over the hardest ramps, but on a climb this long fatigue compounds, so a 34×34 is the safer choice if your legs are still building — the extra range keeps your cadence up when the road bites near the top. Under-gearing here forces you into grinding, low-cadence efforts that drain you well before the 1777 m summit.
Summary
Alto de La Julia rewards the rider who respects its length, paces off threshold, and carries enough gearing for the sharp ramps. Treat the 6.11% average as your home rhythm and the 17.22% spikes as moments to survive, not attack.
Length: 13.1 km
Average gradient: 6.11%
Max gradient: 17.22%
Start: 976 m
Summit: 1777 m
Net gain: 801 m
Total ascent: 766 m
Category: 1