
Alto de Laguna
A compact but demanding category 2 climb: 4.6 km at 8.26%, with enough steepness to punish overpacing and poor gearing.
- Longueur
- 4.6km
- Moy
- 8.3%
- Max
- 14.7%
- Sommet
- 1,877m
- Dénivelé
- 352m
L'ascension
Profil de la pente
Alto de Laguna cycling climb profile
Alto de Laguna is a compact category 2 climb in AR, but the numbers make it clear this is not a soft mid-mountain rise. At 4.6 km, it is short enough to tempt riders into attacking it from the bottom, yet the 8.26% average gradient and 14.73% maximum gradient mean that any early overreach will be paid back quickly.
The climb starts at 1497 m and tops out at 1877 m, gaining 380 m net from bottom to summit. That relationship between length and elevation gain is the defining feature here. This is a climb where the road has to keep asking for torque. There is not enough distance for a long strategic reset, and the average gradient is already high before the steepest ramps are considered.
How the gradient shapes the ride
The profile data points to a climb that should be ridden as a sustained effort with sharp pressure points rather than a rolling climb with natural recovery. A 4.6 km ascent at 8.26% sits in the zone where pacing mistakes are amplified: the effort is long enough to force aerobic discipline, but short enough that riders often convince themselves they can ride above their sustainable ceiling.
The key number is the 14.73% maximum gradient. Without a detailed sector breakdown, the safest assumption is that the steepest pitch can arrive at a bad moment. That matters tactically. If you are already riding on the limit when the road kicks up, the steep ramp will not just cost speed - it will force a change in cadence, muscle recruitment, and breathing rhythm. On this climb, the rider who keeps something in reserve for the steepest gradient is likely to climb more evenly than the rider chasing speed too early.
Pacing and gearing notes
Treat Alto de Laguna as a controlled threshold-style climb rather than a pure anaerobic hit. The opening should feel firm but not forced. If the first part feels easy, that is useful information, not an invitation to empty the tank. The average gradient is severe enough that momentum will not hide poor pacing for long.
Gearing matters. With ramps reaching 14.73%, choose a low enough gear to stay seated and keep pressure smooth when the slope bites. Grinding too early risks turning a short climb into a muscular survival effort. A compact setup or a generous climbing cassette will help most riders preserve cadence through the steepest sections.
For riders pacing from /glossary/ftp, the logic is simple: stay just under control early, ride the body of the climb at a sustainable hard effort, then use the final portion only once the summit is truly within reach. Alto de Laguna rewards restraint first, then commitment.