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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3744 climbs

Col de Bostan
A relentless 23.6 km HC monster averaging 6.47%, climbing 1523 m to a 2275 m summit with a savage 24.98% pitch.
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Passo di Rostagno
23.5 km of relentless climbing at 6.94%, gaining 1629 m to a 2346 m summit — a genuine HC test of endurance.
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Alto de la Virgen
A 39.9 km hors catégorie monster climbing from 774 m to 2730 m — 1956 m of net gain at 4.9% with pitches spiking to 15.31%.
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Colle San Bartolomeo di Ormea
22.9 km at 6.1%, climbing from 49 m to 1442 m — an HC ascent with a savage 17.66% ramp and 1393 m of net gain.
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Col du Corbeau / Gola del Corvo
A 22.8 km HC monster climbing from 28 m to 1405 m at 6.03% average, with a savage 27.01% max ramp.
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Col de Planchamp
A 22.7 km hors catégorie monster averaging 7.04%, climbing from 392 m to 1990 m with pitches spiking to 28.5%.
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Passo del Fornetto
22.5 km at 8.96%, climbing from 242 m to 2255 m with pitches spiking to 33.29% — a full HC ascent.
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Passo Paschiet
22.4 km at a brutal 9.41% average, hauling you from 719 m to 2825 m for 2106 m of net gain — a true HC monster.
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Alto de Las Nieves
22.3 km at 9.21% average, clawing from 1661 m up to 3718 m — a 2057 m net gain and a savage 25.04% max ramp.
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Col de Barberine
22.3 km at 7.59% average with a savage 21.98% max, climbing from 463 m to a 2156 m summit — 1693 m of net gain, HC by any measure.
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Passo del Cap
A relentless HC climb: 22.2 km at 7.71% average, dragging you from 68 m up to 1782 m for 1714 m of net elevation gain.
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Col de la Bernatoire
22.2 km at 6.09% with pitches to 11.9%, climbing 1352 m from 909 m to a 2261 m summit — a genuine HC test.
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Collado de Pietramula
A relentless HC monster: 22.1 km at 6.41%, climbing from 743 m to 2157 m for 1414 m of net elevation gain.
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Colle di Valcavera
22 km at 7.52% and a summit at 2403 m — Valcavera is an HC grind that piles on 1654 m of net gain and spikes to 23.58%.
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Passo del Muretto
22 km of hors catégorie climbing from 387 m to 1917 m, a relentless 6.97% average that ramps to a savage 29.45% max.
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Passo di Brealone
21.9 km at 7.83%, climbing from 399 m to 2117 m — an HC monster that gains 1718 m with ramps hitting 21.9%.
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Ōdarumi Pass
A data-driven profile of Ōdarumi Pass, a 21.8 km HC climb in Japan gaining 1,834 m net to a 2,358 m summit, with undulation, pacing, and gearing notes.
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Col du Pic à Talon
21.8 km at 6.86% with a savage 28.63% max ramp, climbing from 416 m to 1908 m for 1492 m of net gain — a true HC test.
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Colle Portola
21.7 km of relentless Italian HC climbing at 8.67% average, hauling you from 524 m to a 2404 m summit for 1880 m of net gain.
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Passo del Cristallo
21.7 km at a brutal 10.64% average, climbing from 392 m to 2698 m for 2306 m of net gain — a true HC monster.
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Col du Fornet
21.4 km of relentless HC climbing at 6.99% average, gaining 1495 m to a 1906 m summit with pitches spiking to 32.12%.
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Col de l'Encarnette
21.3 km of relentless climbing at 6.99% average, 1490 m of net gain, and a savage 29.67% ramp that earns its HC rating.
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Kaltwasser Pass
At 17.72% average gradient over 11.1 km, Kaltwasser Pass in Italy is one of the most brutally steep HC climbs in the Alps. Here's how the numbers shape your ride.
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Porta Sestrera
21.1 km at 8.35% climbing from 522 m to 2284 m, with a savage 27.43% pitch — a full HC test of patience and legs.
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