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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3815 climbs

Col de la Croix des Combes
21.5 km at 6.94% average with a brutal 29.07% max ramp, hauling you 1491 m up to a 1906 m summit.
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Bocca di Val Marza
21.5 km at 8.05%, rising from 62 m to 1790 m — an HC monster that gains 1728 m without ever letting up.
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Col Fussy
21.4 km at 9.21% average, ramping to 23.87%, hauling you from 344 m up to a 2319 m summit — a true HC monster.
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Col des Chalettes
21.4 km at 6.95% with a savage 27.85% max — an HC monster climbing from 414 m to 1903 m for 1489 m of net gain.
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Passo Pramosio
21.3 km at 6.5% with ramps hitting 28.06%, climbing 1386 m to a 1805 m summit — a genuine HC test.
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Degollada de la Cumbre
21.3 km at 7.67% from just 12 m to 1645 m, with a savage 20.69% max — an HC monster that gains 1633 m of altitude.
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Alto de Marita
21.3 km at 8.18% average, ramping to 33.65%, climbing 1739 m to a 2321 m summit — a full HC monster.
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Alto del Uvo
21.1 km at 7.4% with ramps to 23.68%, climbing 1560 m from 987 m to a 2547 m summit — a genuine HC monster.
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Degollada de los Gatos
21.1 km at 7.6%, climbing from 344 m to 1946 m with ramps that spike to 19.09% — a genuine HC monster.
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Alto de Chia
A 21.1 km hors catégorie monster averaging 6.48%, hauling you 1365 m up from 1483 m to a 2848 m summit.
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Forcella Valsorda
21 km at 8.95% average with ramps to 22.31%, hauling you from 378 m up to 2257 m — a full 1879 m HC climb.
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bocchetta dell'Acqua Fredda
A 20.9 km HC monster averaging 6.28%, climbing from 513 m to 1826 m with a savage 38.32% wall along the way.
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Forcella di Bragarolo
20.9 km at 8.5% averaging into a 27.45% wall, climbing 1776 m from 644 m to a 2420 m summit — a full-blown HC monster.
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Forcella di Cece
20.8 km at 8.54% average with a savage 27.91% pitch, climbing from 643 m to 2419 m for 1776 m of net gain.
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Alto del Mico
A relentless 20.8 km hors-catégorie wall averaging 7.45%, climbing 1550 m to a 2542 m summit with pitches as steep as 28.4%.
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Forcella Venegia
A 20.8 km HC grind climbing 1362 m from 634 m to 1996 m at 6.55% average, spiking to 16.42%.
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Bochét de Carét
20.8 km at 8.34% average, ramping to 21.84%, hauling you from 59 m to 1792 m — a full HC beast.
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Kaindlscharte
20.8 km at 7.43% with a savage 27.43% wall, climbing from 501 m to 2043 m — a genuine hors catégorie test.
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Alto de la Siberia
20.7 km climbing at 8.52% average with a brutal 33.39% pitch, gaining 1765 m to a 2353 m summit — a full HC monster.
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Col de l'Au
A relentless HC monster: 20.6 km at 7.9%, ramping to 18.47% as it climbs from 384 m to 2015 m.
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Selletta Battisti
An HC monster: 20.5 km at 7.54% average, ramps to 16.38%, hauling you from 176 m to 1725 m for 1549 m of net gain.
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Collado de Juan Toribio
20.5 km at 7.89% average, ramping to 20%, hauling you from 221 m to a 1838 m summit — a full HC test.
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Bocca Paltrane
20.4 km at 7.93%, climbing from 207 m to 1829 m — an HC monster with 1622 m of net gain and pitches to 13.92%.
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Alto de Berlín
20.4 km at a brutal 10.23% average, climbing from 1351 m to 3440 m — a 2089 m net gain into thin mountain air.
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