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
Col du Serpentin
A category 1 grind of 17.9 km at 5.82%, climbing from 782 m to 1822 m for 1040 m of net gain.
Profil
Passo del Silara di Marra
17.7 km at 5.34%, climbing from 264 m to 1210 m — a steady 946 m grind with an 11.09% sting near the top.
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Znachsattel
A 17.7 km Category 1 climb in Austria with 1,027 m of net gain but 1,569 m of total ascent — an undulating profile that punishes even-speed pacing.
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Colla della Navonera
17.7 km at 5.99% with pitches to 15.57%, hauling you from 450 m to 1510 m for 1060 m of net gain.
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Passo del Brattello
A 17.6 km category 1 climb averaging 4.8%, lifting you 846 m from 187 m to a 1033 m summit with a 17.39% sting.
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Passo del Bozale
17.2 km at 5.38% average, ramping to 14.54% max, hauling you from 122 m up to a 1048 m summit.
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Monitor Pass
A 17.1 km Category 1 climb in the US gaining 1,010m net to a 2,532m summit, with rolling undulation that adds real work beyond the average gradient.
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Puerto de la Graja
A 17.1 km category 1 haul that climbs 826 m from near sea level to 833 m, averaging 4.84% with ramps stinging up to 17.41%.
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Col d'Ubine
A 16.9 km category-1 grind climbing 895 m to 1698 m, averaging 5.3% but spiking to a brutal 26.09%.
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Col de la Vaccia
A Category 1 climb in France spanning 16.7 km with 844 m of net elevation gain. The Col de la Vaccia rewards patient pacing — but its 44.69% max gradient demands serious respect.
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Puerto de Zafarraya
A 16.7 km category 1 grind averaging 5.19%, climbing 864 m from 128 m to a 992 m summit with pitches touching 11.16%.
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Col du Séchet
16.6 km at 6.16% average, ramping to a brutal 31.78% max, climbing from 803 m to a 1828 m summit.
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Colle del Ranghetto
A 16.6 km category 1 grind averaging 6.42%, climbing 1065 m from 218 m to a 1283 m summit — with ramps spiking to 20.56%.
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Colle Bione
A relentless 16.4 km category 1 climb averaging 6.41%, spiking to 21.83% and stacking 1052 m of net gain.
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Collado del Llamp
A 16.3 km category-1 grind climbing 944 m from 26 m to 970 m, averaging 5.79% with a savage 21.82% ramp.
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Passo della Sentinella
A 16.3 km category 1 grind averaging 5.73%, ramping to 12.65% as it lifts you from 1207 m to a 2139 m summit.
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Alto de Juncal
A 16.1 km category-1 grind climbing from 2209 m to 3037 m, averaging 5.15% with ramps stinging up to 10.38%.
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Colle della Vaccera
A 16 km category 1 climb averaging 6.48%, spiking to 13.8%, hauling you from 420 m to 1460 m for 1040 m of gain.
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Passo dei Ghiffi
A 15.7 km category 1 grind averaging 6.36%, climbing 998 m from 60 m to 1058 m with a brutal 16.57% pitch.
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Krummbachsattel
A 15.6 km Category 1 climb in Austria with 881 m of net gain but 1,332 m of total ascent — an undulating grind that rewards disciplined, even-effort pacing.
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Coll de Vimboca
15.4 km climbing at a relentless 7.13% average, lifting you 1100 m from 696 m to a 1796 m summit — a genuine Category 1 test.
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Yanagisawa Pass
A 15.4 km Category 1 climb in Japan with 1,028 m of net gain, an undulating profile, and a punishing steepest ramp.
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Col de Portes
The Col de Portes is a Category 1 climb in France: 15.2 km, 811 m net elevation gain, and a deceptive average gradient that hides a brutal 28.33% maximum spike.
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Puerto de Serranillos
A 15.2 km Category 1 Spanish climb with 938 m of net gain but 1,516 m of total ascent — an undulating effort that rewards even pacing.
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