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
Retiefsnek
Retiefsnek is a short category 4 climb where pacing discipline matters more than survival gearing.
Profil
Noupoortsnek
A short Category 4 climb in ZA: 1.8 km at 4.74%, with a steady enough gradient to reward controlled pacing rather than big surges.
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Puerto de Vallcarca
A short, punchy category-4 climb: 1.8 km at 4.79%, lifting you 86 m from 21 m to a 107 m summit.
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Metsantan Pass
A short category 4 climb in Canada: 1.2 km, 90 m of net gain, and a pacing problem that is sharper than its length suggests.
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Sajikhvisgele Pass
A short, steep category 4 climb in RU: 1.2 km at 8.19%, rising from 1,233 m to 1,328 m.
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Schwarzes Törl
A short Austrian category 4 climb: 1 km, 91 m of net gain, and a listed average of 8.78%. Pacing matters because there is little time to recover.
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Alto de Letras
One of the longest paved climbs on Earth: 70.4 km from Mariquita at a steady 4.52%, gaining 3,182 m to the 3,658 m Letras pass in the thin air of the Cordillera Central.
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Colle del Pas
A Category 1 giant in the Italian Alps: 16.8 km, 1,144 m of net gain, and a brutal max gradient of 49.24% that demands careful pacing and smart gearing from the first kilometre.
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Alto de Pasca
42.7 km at 5.91% average, climbing from 1278 m to 3801 m — a 2523 m net gain that ranks hors catégorie.
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Passo di Ceda
39.7 km of relentless HC climbing at 5.24%, hauling you from 135 m to a 2216 m summit for 2081 m of net gain.
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Alto de Ño León
A 39.1 km hors-catégorie monster climbing from 7 m to 2081 m — 2074 m of net gain at a relentless 5.31% average.
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Alto de Cusirí
39 km of relentless Andean climbing, 2016 m of net gain to a 3473 m summit at a punishing 5.17% average.
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Alto de Patio Bolos
39 km and 2023 m of climbing at 5.19% average, topping out at 3473 m — an HC monster with pitches to 15.6%.
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Alto de Bellavista
A 38.9 km hors catégorie monster averaging 5.19%, climbing from 1450 m to 3473 m for 2023 m of net gain.
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Colle Pinter
37 km of Italian climbing that lifts you from 382 m to 2271 m, averaging 5.1% with a savage 22.98% max.
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Crespëina saddle
A 36.9 km HC monster climbing from 545 m to 2490 m, averaging 5.27% with a brutal 29.22% max ramp.
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Alto de la Mona
36.4 km of relentless climbing at 5.78% average, hauling you from 666 m to a 2768 m summit for 2102 m of net gain.
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Passo di Campo
A 35.6 km HC monster averaging 5.31%, climbing 1893 m from 398 m to a 2291 m summit with a savage 27.3% pitch.
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Colle Bettaforca
35.4 km at 6.5% average with ramps to 24.04%, climbing 2301 m from 370 m to a 2671 m summit — a genuine HC monster.
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Passo di Fonte Dragurina
34.7 km at 5.41% average and pitches to 13.98%, hauling you from 27 m to 1904 m for a punishing 1877 m of net gain.
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Colle Barant
33.8 km of relentless climbing at 6.03% average, hauling you from 349 m to 2385 m for 2036 m of net gain — a true HC ordeal.
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Alto de Témpanos
33.7 km of relentless climbing at 5.53%, hauling you from 2034 m to a 3897 m summit for 1863 m of net gain.
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Ships Prow Pass
A 33.2 km HC climb in South Africa with 1,844 m of net gain but 3,124 m of total ascent — an undulating monster that punishes flat pacing.
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Alto del Padre
31.8 km of relentless climbing at 6.05%, hauling you from 1998 m up to a lung-searing 3919 m summit with 2088 m of total ascent.
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