The race sets off in Cistierna to return to Asurias over the Puerto de San Isidro (1,520 metres) and continue to an unprecedented arrival at Les Praeres de Nava. The climb in the Sierra de Peñamayor is a 5 kilometres torture with an average gradient of 13.5%, while the steepest ramps (just before the top) go up at 23%.
After cresting the San Isidro the riders drop down a descent of almost 30 kilometres to the foot of the next climb, Alto de la Colladona. At the top the riders are halfway, while they face Alto de la Mozqueta and Alto de la Falla de Los Lobos before hitting Les Praeres de Nava.
The summit of the Falla de Los Lobos is crested with 20 kilometres left to race. The climb is 4.3 kilometres and averaging 8.2%.
Vuelta a España 2018 stage 14: Route map, height profile, and more
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