The inhumane climb to Alto La Colladiella, an iconic Spanish Vuelta climb

Alto La Colladiella is a mountain pass at an elevation of 848m (2,782ft) above the sea level, located in the province and autonomous community of Asturias, in Spain.

Alto La Colladiella

Is Alto La Colladiella in Spain steep?

Located to the west of Parque Nacional de Los Picos de Europa, the curvy road to the summit, also known as Altu La Colladiella, is totally paved but very narrow- It’s called AS-337 (aka carretera de La Colladiella). The road is very steep, hitting a 12% of maximum gradient through some of the ramps. The climb has been featured in the Spanish Vuelta race. It’s a tough climb but once you get to the top you realize it was worth it as the views looking back and forward are quite impressive.

How long is Alto La Colladiella?

Tucked away in the northern part of the country, the pass is 24.6 km (15.28 miles) long running west-northeast from Ujo to San Martín del Rey Aurelio. The road is open throughout the year.

Is Alto La Colladiella worth it?

To drive the road without stopping will take most people between 45 and 60 minutes. The summit hosts a small parking lot and 2 monuments, to the peace and to the mining workers (built in 1972).