Climb library
Famous climbs of cycling
Detailed profiles of the climbs that define the sport — length, average gradient, elevation gain, race history, and pacing advice.
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4220 climbs
Mont Ventoux
The Giant of Provence rises 1610 m from the vineyards of Bédoin to a moonscape summit, with a six-kilometre forest section that averages over 9 percent.
ProfileCol du Tourmalet
The most-climbed pass in Tour de France history - 19 km from Luz-Saint-Sauveur at a relentless 7.4 percent.
ProfileAlpe d'Huez
Twenty-one numbered hairpins climb out of the Romanche valley to a ski station that has hosted the Tour de France more often than any other summit finish.
ProfileAlto de l'Angliru
The Vuelta a España's monster climb in Asturias - 12.5 km at 9.8 percent with the Cueña les Cabres ramp at 23.5 percent.
ProfileCol d'Andrion
A 12.5 km Hors Catégorie climb averaging 9.29% with a savage 55.66% max gradient. Here's how the Col d'Andrion unfolds and how to pace it.
ProfilePasso del Mortirolo
From Mazzo di Valtellina: 12.4 km at 10.5 percent average, with ramps of 18 percent. Lance Armstrong called it the hardest climb he had ever ridden.
ProfileSasspass
A brutal 7.1 km HC climb in Switzerland averaging over 15%, gaining 1068 m net to a 1883 m summit.
ProfileBrunnipass
Brunnipass is a 49.8 km Category 1 Swiss climb with 1,581 m of net gain but 4,806 m of total ascent — a rolling grind that punishes even-speed pacing.
ProfileMount Lemmon
Tucson's 40 km cycling icon - smooth tarmac from desert to pine forest, a winter training favourite for North American pros.
ProfileMittelplatten
Mittelplatten is a 36.4 km Category 1 Swiss climb with 1,398 m of net gain but 3,858 m of total ascent — an undulating grind where pacing discipline matters more than raw fitness.
ProfileCol de Bretolet (VS)
A 23.7 km category-1 grind climbing 1307 m at 5.52% average, with a savage 26.8% ramp waiting to break your rhythm.
ProfilePasso del Maloja/Aira da la Palza
17.1 km at 5.94% averaging steady work, with a 15.1% sting and 1017 m of net gain topping out at 1820 m.
ProfileMount Washington Auto Road
12.2 km of private toll road at an average of 11.8 percent - the toughest paved hill climb race in the United States.
ProfileCol de la Joux Verte
A 12 km Category 1 climb in France averaging 7.14% with a savage 20.79% maximum gradient. Here's how the col unfolds and how to pace it.
Profilecol de la Croix de Boutières
A category 1 climb in France: 10 km at 7.29% average with a savage 18.75% max gradient and 1,053 m of total ascent. Here's how the road unfolds and how to pace it.
ProfileMaisons Blanches pass
A 9.7 km Category 1 climb in Switzerland topping out at 2,155 m, with an 8.38% average that hides both undulation and a punishing 25% ramp.
ProfileCol de la Croix de Chaubouret
7.6 km at 7.64% average with a brutal 18.55% maximum — the Col de la Croix de Chaubouret is a Category 1 climb that demands honest pacing and a low gear range.
ProfileOld La Honda
The benchmark climb of Silicon Valley road cycling - 5.5 km of redwood-shaded tarmac at a steady 7.3 percent.
ProfileHardknott Pass
England's steepest road - 2.4 km from Eskdale at 13 percent average, with 30 percent ramps on the upper switchbacks.
ProfileCol d'Entremont
A 6.7 km Category 3 climb averaging 4.37% with a brutal 16.97% maximum gradient. Here's how the Col d'Entremont actually rides and how to pace it.
Profile