Puerto del Pontón is a classic climb in northern Spain
Puerto del Pontón is a mountain pass at an elevation of 1.298m (4,258ft) located in the Province of León, in the northwestern part of the autonomous community of Castile and León, in Spain.
Set high in the Cantabrian Mountains, a mountain range in the northern part of the country, the road to the summit is totally paved. It’s called N625. Access to the pass is typically open all year round, but winter weather may cause restrictions and closures due to dangerous weather conditions. The road is steep, hitting a 9-10% of maximum gradient through some of the ramps. Most of the ascent takes place in the Picos de Europa National Park.
The pass is 20.2 km (12.55 miles) long, running south-north from Vegacerneja to Oseja de Sajambre. The road is very curvy, with 4 hairpin turns. It has been climbed by the Spanish Vuelta race.