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

Colma del Bosco
7.8 km at a brutal 10.28% average, ramping to 19.88% and climbing 806 m from 424 m to 1230 m — a genuine HC test.
Profil
Üntschenpass
A 7.8 km HC climb in Austria averaging 11.87%, with 924 m net gain hiding 1235 m of total ascent and pitches steep enough to demand sub-compact gearing.
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Bocchetta di Lemna
A brutal 7.8 km HC wall averaging 11.67%, ramping to 20.76%, climbing 907 m from 201 m to 1108 m.
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Genna Petta
7.7 km at a brutal 11.85% average, ramping to 38.05% and gaining 907 m to a 966 m summit — a genuine HC monster.
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Alto de Buenos Aires
A brutal 7.7 km HC wall averaging 12.61%, spiking to 19.94%, hauling you 965 m up to a 1866 m summit.
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Sakanako lepoa
A brutal 7.6 km HC climb averaging 11.08%, spiking to 19.93%, gaining 847 m from base to a 1074 m summit.
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Selenitzasattel
A short but brutally steep HC climb in Austria packing 894 m of net gain into 7.4 km at a 12% average.
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Bocchetta di Spessola
7.4 km at a brutal 11.18% average, spiking to 18.65%, hauling you from 427 m to 1253 m for 826 m of net gain.
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Sella di Val Mistai
7.2 km at a punishing 12.12% average, climbing 870 m from 191 m to 1061 m with ramps that spike to 24.33%.
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Alto del Chusque
7.1 km at a brutal 15.15% average, rising 1082 m from 255 m to 1337 m with a savage 32.97% max — pure HC punishment.
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Giogo Veranis
7.1 km at a brutal 14.22% average, ramping to 25.26%, climbing from 913 m to 1921 m — a pure HC test.
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Passo Tardie
Seven kilometers averaging 11.98% and spiking to 22.38%, Passo Tardie stacks 844 m of gain into an HC wall from just 15 m.
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Forcella Vacalizza
7 km at 12.95% average with ramps hitting 39.24%, climbing 912 m from 648 m to a 1560 m summit — pure HC brutality.
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Alto de Agua Clara
A 6.6 km HC climb in Colombia averaging 16.09%, with 1,065 m of net gain packed into a near-constant wall that demands your lowest gears.
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Alto de San Rafael
6.9 km at a brutal 13.87% average, ramping to 20.06%, hauling you 951 m up to a 1866 m summit — pure hors catégorie punishment.
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Passo Gallinera
6.8 km at a savage 16.29% average, ramping to 28.97% while stacking 1114 m of climbing to 1800 m.
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Passo della Puria
6.8 km at a brutal 11.42% average, ramping to 36.28% — an HC monster climbing 774 m from 586 m to 1360 m.
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Collado de la Cruz de Guardia
A 6.7 km HC ascent in Spain with a punishing 16.64% average, undulating terrain, and 1,123 m of net gain.
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Toblinger Riedl - Forcella di Toblin
A brutal 6.7 km wall averaging 13.94%, spiking to 33.47%, climbing from 1416 m to 2353 m for 937 m of net gain.
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Portella di Mandarini
6.6 km at a punishing 13.21% average, climbing 877 m to a 1215 m summit with pitches touching 17.06%.
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Col de Trécot
A brutal 6.6 km HC wall averaging 17.58% and spiking to 30.87%, hauling you from 763 m to 1928 m for 1165 m of net gain.
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Alto de La Mata
6.6 km at a brutal 16.83% average, ramping to 30.39%, climbing from 1356 m to 2462 m — an HC wall few will ever finish.
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Collado de El Santo
A short, brutally steep HC climb in Spain packing 808 m of net gain into 6.5 km at a 12.47% average.
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Puerto de Piedrafita
A 6.3 km hors catégorie Spanish climb averaging 15.19%, gaining 952 m net with ramps as steep as 31%.
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