Puerto de San Lorenzo from La Riera

The Puerto de San Lorenzo from La Riera, located in the Asturias region, is one of the most demanding climbs in the world. With a total length of 9.92 kilometers and an average gradient of 8.72%, this climb challenges even the most experienced cyclists.

Why Ride the Puerto de San Lorenzo from La Riera?

The Puerto de San Lorenzo from La Riera is a true test of strength and endurance. Known for its steep gradients and long ascent, this climb has earned its HC category rating, pushing cyclists to their absolute limits. Rising from 489 meters to 1345 meters, it provides an epic climb of 864 meters over 9.92 kilometers.

Cycling Tips

Make sure you're prepared for this extreme challenge with plenty of water, nutrition, and mental strength. The consistent incline and high altitude make this one of the hardest climbs you'll encounter.