● Mauna Kea, Hawaii, USA
Closest Airport: Kona International Airport (KOA), Hawaii
Where to stay: Hilo
Length: 68.4km
● Elevation gain: 3,583m
● Avg. grade: 6.1% Mauna Kea is the hardest cycling climb on Earth, rising 3,583m through five climate zones with brutal gradients up to 20% and sections of rough gravel.
● Kitzbühel Horn, Austria
Closest airport: Salzburg (SZG)
Where to stay: Kitzbühel
Length: 9.9km
● Elevation gain: 1,213m
● Avg. grade: 12.3% The Kitzbühel Horn in Austria is a punishing climb with relentless double-digit gradients, including a brutal 15% section, all set against breathtaking Alpine scenery.
● Mont Ventoux, France
Closest airport: Marseille (MRS)
Where to stay: Bedoin
Length: 21.4km
● Elevation gain: 1,639m
● Avg. grade: 7.6% Mont Ventoux is an awe-inspiring climb. Its relentless gradients, fierce mistral…