Bibliothèque des cols
Les ascensions célèbres du cyclisme
Profils détaillés des cols qui font la légende du cyclisme — longueur, pente moyenne, dénivelé, historique des courses et conseils d'allure.
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4202 cols
Boquete de Zafarraya
A Category 1 Spanish climb of 8.8 km at 7.17% average, gaining 628 m net but demanding 857 m of total ascent.
Profil
Sasago Pass
A Category 1 Japanese climb of 8.8 km and 674 m net gain, with 1048 m of total ascent hiding real undulation.
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Valico di San Fermo
A 9.6 km Category 1 Italian climb with 637 m of net gain but 890 m of total ascent — the rollers matter as much as the summit.
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Táchira depression
8.7 km at a punishing 8.2% average, climbing 714 m from 661 m to 1375 m with a 17.12% wall waiting near the top.
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Passo di Ganda
A relentless 8.6 km grind averaging 8.67%, climbing 744 m of net gain with a savage 33.23% ramp waiting to break you.
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Puerto de La Ragua
A Category 1 Spanish climb: 8.5 km at 8.43% average, gaining 719 m net but 890 m of total ascent thanks to undulation.
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Jukkoku Pass
A 8.5 km Category 1 climb in Japan rising 594 m from sea level, with 896 m of total ascent that makes it harder than its gradient suggests.
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Passo di Catanzaro
8.5 km at 6.94% average, ramping to 9.84%, lifting you 591 m from 226 m to a 817 m summit — a genuine Category 1 test.
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Colma di Sormano
A category 1 grind: 8.4 km at 8.12% average, ramping to 12.37%, climbing from 424 m to 1106 m for 682 m of net gain.
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Heda Pass
A Category 1 climb in Japan rising 733m from sea level over 8.4km, with punishing undulation and steep ramps that demand disciplined pacing and low gearing.
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Pontimia, Passo di
8.3 km at a relentless 8.59% average, climbing 715 m from 1037 m to 1752 m with a savage 16.95% pitch waiting to break you.
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Grünenbergpass
Grünenbergpass is an 8.3 km Category 1 climb in Switzerland with a 7.87% average, brutal ramps, and 158 m of hidden re-climbing.
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Alto de la Cobertoria
A Category 1 Asturian climb: 8.2 km at 9.48% average, gaining 781 m net but with 979 m of total ascent hidden in its undulations.
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Puerto de las Crucetillas
8.2 km at 8.91% average with a savage 22.53% max — a Category 1 wall climbing 729 m to a 1361 m summit.
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Kuresaka Pass
A data-driven profile of Kuresaka Pass, an 8 km Category 1 climb in Japan with 635 m of net gain, undulating terrain, and pitches up to 22.8%.
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Pass Giümela
A 7.8 km Category 1 climb in Switzerland with 675 m of net gain but 1,766 m of total ascent, demanding smart pacing over its undulating profile.
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Col de Meyrand
7.8 km at 7.5% average with a savage 21% maximum — Col de Meyrand is a Category 1 brute in the Ardèche that demands honest pacing and a wide gear range.
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Col des Charbonniers
A 7.8 km Category 1 climb in France with an 8.8% average, 686 m of net gain, and 811 m of total ascent that punishes anyone pacing off the headline number.
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Nara Pass
A Category 1 climb in Japan: 7.8 km, 781 m of net gain, and a punishing 10.05% average that hides steeper undulating ramps.
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Marmot Pass
A Category 1 US climb: 7.7km, 568m of net gain, and 632m of total ascent that hides real undulation in a 7.39% average.
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Konsei Pass
A 7.7 km Category 1 climb in Japan with a 7.96% average, undulating terrain, and 854 m of total ascent for 611 m of net gain.
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Colle del Crò
9.1 km, 8.86% average, and a savage 33.27% maximum — Colle del Crò is a Category 1 brute in northern Italy that demands careful pacing and low gearing.
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Kinome Pass
A 7.6 km Category 1 climb in Japan that gains 628 m net but forces 790 m of total ascent, with pitches up to 24%.
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Coll de ses Cases de Neu
7.5 km at a brutal 8.59% average, spiking to 28.75%, hauling you 647 m up to a 1146 m summit.
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