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
coll de la Perxa
A Category 3 climb in France with a deceptively moderate average gradient that conceals a sharp 14.39% maximum punch. Here's how the 7.5 km to the summit actually rides.
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Dyulino Pass
A steady 7.5 km category 3 climb averaging 4.73%, rising 354 m from 80 m to a 434 m summit with pitches touching 7.75%.
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Honister Pass
Honister Pass is a 7.1 km Lake District climb with a deceptive average gradient of 3.97% that masks a brutal 19.67% maximum ramp. Here's how to pace and gear it.
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Kerenzerberg Pass
A measured profile of the Kerenzerberg Pass cycling climb: 7 km at 3.94%, with short ramps up to 7.47% and a pacing demand that rewards restraint.
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Allison Pass
A Category 3 Canadian climb of 6.7 km whose 440 m of total ascent hides 137 m of undulation behind a modest 303 m net gain.
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Col du Mont d'Orzeires
A 6.6 km category 3 climb in Switzerland where 774 m of total ascent over just 335 m net gain makes the undulation the real story.
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Unterer Hauenstein Pass
A Category 3 Swiss pass with a deceptive 5.14% average gradient that hides a brutal 25.97% maximum ramp across 6.2 km of rolling Jura terrain.
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Amba Ghat
A practical pacing and gearing guide to the Amba Ghat cycling climb: 6.1 km at 5.32%, topping out at 462 m with a maximum gradient of 8.19%.
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Puerto de Catarina
A practical profile of Puerto de Catarina, a 5.7 km category 3 climb in MX averaging 4.58% with ramps up to 7.94%.
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Schoemans Kloof
A practical pacing and gearing guide to Schoemans Kloof, a 5 km category 3 climb averaging 5.2% with ramps approaching 9%.
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Puerto de las Flores
A steady category 3 Mexican climb: 4.6 km at 5.6%, with a controlled gradient ceiling that rewards pacing over surging.
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Sankt Luzisteig Pass
A short, controlled Category 3 climb: 3 km at 6.85%, with a maximum gradient of 8.29% and little room to recover once the road tilts up.
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Puerto de Pasajes
A short, steep Basque climb: 1.7 km at a reported 10.02%, with little room to recover and a pacing demand that rewards control over aggression.
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Col de Panissars
A practical profile of the Col de Panissars cycling climb, a 10.2 km category 4 ascent where a gentle average hides short ramps up to 8.02%.
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Oberer Hauenstein Pass
A 9.7 km Category 4 climb in Switzerland with 306 m of net gain but 526 m of total ascent — an undulating effort that rewards steady pacing.
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Tejon Pass
Tejon Pass is a 9 km Category 4 climb averaging 3.29% with a max pitch of 7.93%. Manageable gradients make it accessible, but wind and traffic demand respect.
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Togwotee Pass
A Category 4 high-altitude pass in Wyoming with 8.1 km of moderate climbing, a 3.42% average gradient, and punchy ramps hitting 8.46% — deceptively taxing above 2,600 m.
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Paso de Ayolia
Paso de Ayolia is a 7.6 km category 4 climb in Mexico, averaging 3.23 percent with ramps up to 8.79 percent.
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Apache Pass
A Category 4 desert climb in the US spanning 7.6 km at 3.5% average gradient with a punchy 13.12% maximum — manageable overall but demanding where it bites.
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Oberjoch Pass
A 7.4 km Category 4 climb in Germany with an average gradient of 3.26% and a punchy 13.28% maximum — deceptively varied terrain that rewards smart pacing.
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Paso de Ayolia
A 7.2 km category-4 climb averaging 3.47%, rising from 168 m to 419 m for 251 m of net gain and a brief 9.98% kick.
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Paso Socompa
A short 5.9 km climb at high altitude, gaining just 201 m at a gentle 3.43% average with a 6.99% pinch.
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Saanenmöser Pass
A short, undulating category 4 climb in Switzerland where a modest average gradient hides a stiff 8.88% ramp and repeated recovery-and-climb rhythm.
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Puerto de San Felipe (El Trébol)
A steady category 4 climb in MX: 3.6 km at 3.95%, with a modest 4.79% maximum that rewards smooth pacing over brute force.
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