From the Gavia Pass to Mount Etna, from The Stelvio to The Zoncalan, these climbs are legends in Italy and the building blocks of the Giro d'Italia. Technology may advance, training and diet may evolve, but these world-famous mountains are a constant. They have witnessed triumph and despair, courage and heartache, they are where champions are made and where dreams are shattered. And yes, the greatest arenas of Italy's greatest race are open 365 days of the year for any of us to ride. So take up the challenge, emulate your heroes and make your mark on the hundred greatest cycling climbs of Italy.