Colláu Llesba/Collado de Llesba by Cosgaya

The Colláu Llesba/Collado de Llesba by Cosgaya, located in the Cantabria region, is one of the most demanding climbs in the world. With a total length of 8.73 kilometers and an average gradient of 11.58%, this climb challenges even the most experienced cyclists.

Why Ride the Colláu Llesba/Collado de Llesba by Cosgaya?

The Colláu Llesba/Collado de Llesba by Cosgaya 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 668 meters to 1678 meters, it provides an epic climb of 1010 meters over 8.73 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.