Puerto de San Lorenzo (San Martín)

Climb Description

Puerto de San Lorenzo is one of the gateways to the Somiedo Natural Park. It is a scenic climb, particularly towards the top as you climb out of the forests, but it is a challenging ascent particularly if you plan on following it with La Farrapona or Puerto de Somiedo.

It has been used several times in recent editions of the Vuelta a España, but has rarely seen decisive attacks by GC contenders, as it has never been the final climb on a stage and the steep gradients often lead it to be ridden conservatively.

It is also a very fast descent on both sides. There are few hairpin bends - particularly on the descent towards San Martín - and the steep gradients allow you to pick up speed quickly. Beware of horses and cows though that will often be standing in the middle of the road.

San Lorenzo is usually open throughout the year, although short term closures are possible in winter.

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Roads & Traffic