Portillo de La Sía

The Portillo de La Sía, located in the Cantabria region, is one of the most demanding climbs in the world. With a total length of 17.36 kilometers and an average gradient of 5.92%, this climb challenges even the most experienced cyclists.

Why Ride the Portillo de La Sía?

The Portillo de La Sía 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 206 meters to 1232 meters, it provides an epic climb of 1027 meters over 17.36 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.