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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3717 climbs

Grimselpass
A 23.6 km hors catégorie giant climbing from 646 m to 2163 m at 6.44% average, packing 1520 m of ascent.
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Colle Fauniera
A 23.4 km HC climb in Italy rising 1,720 m to 2,469 m, with 2,394 m of total ascent and a steep 21.44% ramp.
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Jaufenpass - Passo di Monte Giovo
23 km at 7.08% average, ramping to 25.61%, climbing 1626 m from 481 m to a 2107 m summit — a true HC test.
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Eisbruggjoch - Passo Ponte di Ghiaccio
22.7 km at 7.98% climbing from 722 m to 2536 m — an HC monster with a savage 32.43% pitch and 1814 m of net gain.
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Passo Tratto Spino
A 22.3 km HC monster climbing 1524 m at 6.83% average, with ramps stinging up to 18.08% before the 1725 m summit.
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Moosalp
At 22.1 km with 1,411 m of net elevation gain and a brutal 25% maximum gradient, the Moosalp is one of Switzerland's most demanding HC climbs.
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Passo San Marco
22 km at 7.8%, climbing from 269 m to 1984 m — a 1715 m HC ascent with ramps that bite at nearly 17%.
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Passo Feudo - Satteljoch
21.5 km climbing 1588 m at 7.38%, cresting at 2117 m with a punishing 17.38% max ramp — a true HC test.
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Whitney Portal Road
21.5 km at 6.15% average, ramping to 12.65%, hauling you from 1107 m to 2429 m for 1322 m of climbing.
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Col de Joux
20.1 km at 6.42% averaging a relentless HC grind, climbing from 359 m to 1651 m with pitches spiking to 14.59%.
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Collado de Llesba
19.5 km at 6.62% average with pitches to 18.99%, lifting you from 377 m to a 1666 m summit — a full HC test.
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Puerto de Viella
18.5 km at a relentless 8.99% average, climbing from 783 m to 2445 m — an HC monster with 1662 m of net gain.
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Col du Sanetsch
18 km at 9.62% average, ramps hitting 38.48%, and 1735 m of net gain to a 2249 m summit — a genuine HC beast.
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Klausenpass
17.9 km at 8.11% average, climbing from 504 m to 1956 m — an HC beast with pitches touching 17.05%.
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Bocca di Navene
17.6 km of relentless climbing at 7.49% average, lifting you 1321 m from 202 m to a 1523 m summit.
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Simplonpass
17.5 km at 8.19% average with a brutal 26.89% max, climbing from 664 m to a 2100 m summit — a true HC monster.
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Hochtor
A 16.9km hors catégorie ascent in Austria climbing to 2,562m, where 677m of hidden undulation makes it harder than the average gradient suggests.
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Alto de Garajonay
16.6 km at 8.44% average, spiking to 24.13%, hauling you from 78 m to a 1478 m summit — a full HC monster.
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col de Bretaye
A 16.6 km HC climb in Switzerland gaining 1,418 m net, with an 8.55% average that hides a brutal 30% ramp and 191 m of extra ascent.
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Passo Buole
16.2 km of relentless climbing at 9.86% average, ramping to 15.81%, hauling you from 176 m to 1770 m.
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Coll de Vista
15.9 km at 7.29%, rising from 765 m to 1924 m — an HC climb with 1159 m of net gain and pitches touching 21.63%.
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Doi Inthanon
15.2 km at a relentless 8.54% average, ramping to 19.84% and gaining 1302 m to a 2560 m summit — a true HC test.
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Doi Ang Khang
15 km at 8.56% average, ramping to 19.45%, climbing from 529 m to 1810 m for 1281 m of relentless HC gain.
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Passo Cattivo
14.9 km at a brutal 9.05% average, ramping to 22.45% and climbing 1345 m to a 1864 m summit — a true HC monster.
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