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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4165 cols
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.
Profil
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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Wedge Pass
A practical profile of Wedge Pass, an 8.2 km HC climb in Canada averaging 12.15% with ramps up to 25.42%.
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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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Puerto de Julián (Rancho los Julianes)
A practical profile of Puerto de Julián (Rancho los Julianes), an HC Mexican climb with 7.8 km at 10.52% and ramps up to 14.17%.
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Dou Pass
Dou Pass is a short, brutally steep HC climb: 7.8 km at 13.57%, rising from 500 m to 1559 m with ramps up to 26.45%.
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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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Saxer Lücke
A brutally steep HC climb in CH: 7.6 km at 15.75%, rising from 451 m to 1647 m with ramps up to 25.36%.
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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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Pierre du Moëllé
A 6.4km HC climb in Switzerland averaging 11.15%, with 719m of net gain but 853m of total ascent — a steep, undulating grind demanding careful pacing and gearing.
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Kunkelspass
6.2 km of relentless climbing at 12.47% average, ramping to 19.3% and gaining 768 m to a 1359 m summit — a true HC test.
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Sarojasattel
5.6 km, 18.34% average gradient, 61.58% max. Sarojasattel is one of the most brutally steep HC climbs in Austria — here's how the numbers shape your approach.
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Col de Torrent
A short but brutal 4.5 km HC climb in Switzerland averaging 15%, with punishing undulation that inflates the real ascent well beyond its net gain.
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Puerto de Acapulco (Tanque Roto)
A long category 1 climb in Mexico: 45.6 km at 3.05%, rising from 1319 m to 2711 m, with pacing defined by duration rather than steep gradients.
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Alto de las Juntas
A practical profile of Alto de las Juntas, a long category 1 climb in AR with sustained elevation gain and a maximum gradient of 8.5%.
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Alto de la Palmita
A data-driven profile of Alto de la Palmita, a long Category 1 climb in Mexico that rewards steady pacing more than explosive climbing.
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collada de Toses
A practical profile of the 31.8 km collada de Toses cycling climb, with pacing and gearing notes for its long, steady but occasionally steep ascent.
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Alto del Mirlo
A 31.3 km category 1 grind gaining 1321 m at a steady 4.22% average, with a stinging 14.4% max ramp.
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Otterepass
29.6 km of steady climbing at 4.71%, gaining 1393 m to a 1994 m summit with a savage 28.17% pitch lurking within.
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Coll de Redó
A long category 1 climb in Spain: 29.4 km at 4.02%, with enough total ascent and late fatigue risk to punish poor pacing.
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