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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3728 climbs

Boca dos Namorados
A 12.6 km HC climb in Portugal that rises 1,046m from near sea level, with 232m of hidden undulation and ramps hitting 21.7%.
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Col du Mollard
11.9 km at 8.68% average with a savage 35.19% maximum gradient — the Col du Mollard is a genuine HC climb that demands careful pacing and low gearing.
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Drusentor
A 11.7 km HC climb in Switzerland gaining 969 m net, with sharp ramps up to 27% and enough undulation to punish careless pacing.
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Colma del Crinco
11.4 km at 8.54% average with a 16.03% max, hauling you from 209 m to 1182 m — a full HC brute of a climb.
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Glaubenbielen
10.6 km at a merciless 10.6% average, climbing 1124 m from 493 m to a 1617 m summit — a genuine HC brute.
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Sinsgäuer Schonegg
10.5 km at 12.54% average, ramping to 29.61%, hauling you from 589 m to 1900 m — a 1311 m HC wall that never lets up.
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Coll de la Maçana (Espolla)
10.4 km at a punishing 10.24% average, climbing 1067 m from 93 m to 1160 m with ramps hitting 19.52%.
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Bocchetta di Terrabiotta
10.3 km at 11.61% average with pitches to 23.45% — an HC wall climbing 1192 m to a 1426 m summit.
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Coll dels Terrers
A brutal HC ascent: 10.1 km at 10.49% average, ramping to 19.31%, climbing from 100 m to 1159 m for 1059 m of net gain.
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Colma del Bugone
9.7 km at a brutal 9.62% average, climbing 934 m from 209 m to 1143 m — a genuine HC test with pitches to 13.46%.
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Colma Prabello
9.6 km at a brutal 10.7% average, climbing 1027 m to 1226 m with ramps hitting 21.28% — a true HC test.
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Croix de Loriaz
9.3 km at 11.39% average and ramps hitting 25.07% — an HC brute that lifts you 1060 m to a 1532 m summit.
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Larra-Belagua
Larra-Belagua is a 9.2 km hors catégorie climb in Spain with a punishing 12.79% average and 1,177 m of net elevation gain.
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Coll de l'Ullat
A hors-catégorie climb in France that packs 890 m of net gain into 8.8 km at 10.1% average, with undulation demanding both smart pacing and low gearing.
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Eisenerzer Höhe
A brutal 8.5 km HC ascent in Austria averaging 10.51% with 893 m of net gain and hidden undulation demanding smart pacing and low gearing.
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Colma di Binate
8.4 km at a merciless 10.62% average, climbing 896 m to a 1123 m summit — a genuine HC test that never lets up.
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Croix de Javerne
A brutal HC wall: 8.4 km at 17.99%, climbing from 422 m to 1927 m for 1505 m of net gain.
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Bocchetta di Molina
8.2 km at a brutal 11.55% average, ramping to 34.58%, climbing from 226 m to 1174 m — a true HC test.
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Puerto del Morredero
A relentless 8.2 km HC climb in Spain with 885 m of net gain, brutal double-digit average gradients, and undulation that punishes uneven pacing.
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Croix de Commune
Eight kilometres at a savage 14.98% average, topping out at 1951 m after 1192 m of climbing — an HC wall that never lets up.
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Alto de la Farrapona
7.7 km at 11.6% average gradient with 889 m of net elevation gain. Alto de la Farrapona is one of Spain's most punishing HC climbs — steep, relentless, and unforgiving to the unprepared.
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Col du Joly
The Col du Joly is a brutal HC-category climb in the French Alps: 7.4 km at 11.28% average gradient with ramps hitting 22.8%, demanding precise pacing and low gearing.
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Col de Romme
At 6.9 km with an average gradient of 11.92% and HC categorisation, Col de Romme is one of the most brutally consistent climbs in the French Alps.
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Colle San Carlo
6.7 km at a savage 14.85% average, ramping to 26.22%, lifting you from 923 m to 1920 m — a genuine HC wall.
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