 Of the four official mountain stages , three ended with climbs : stage 14 to Alpe di Pampeago , stage 15 to Passo Fedaia , and stage 19 to Presolana . Stage 20 earned its mountain designation by way of the Passo di Gavia and the Passo del Mortirolo , respectively the highest point reached and the steepest climb of this year 's Giro . Two other stages had summit arrivals , stage 7 to Pescocostanzo and the demanding stage 16 climbing time trial to Plan de Corones , the summit of which the Giro had never before visited . It was hoped that the number of time trials , including one on the race 's last day , would keep the race hotly contested to the end . 
