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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4105 cols
Grimsel Pass
8.5 km at 9.3% average with a savage 19.23% max — the Grimsel Pass is one of Switzerland's most demanding Category 1 road climbs. Here's how to ride it smart.
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Khardung La
34.4 km of relentless altitude, climbing from 3223 m to 5353 m at 6.2% with pitches that spike to 26.92%.
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Torugart Pass
A compact high-elevation climb in KG: 1.6 km at 6.07%, topping out at 3729 m with a steady, controlled pacing demand.
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Torugart Pass
A short, thin-air 1.4 km ramp averaging 6.82% that lifts you from 3632 m to 3729 m at high altitude.
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Salang Pass
31.3 km of climbing at 5.58% average, hauling you from 2040 m to a lung-searing 3786 m summit with pitches touching 16.05%.
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Shipka Pass
A practical pacing and gearing guide to the Shipka Pass cycling climb, a long category 2 ascent with a modest average but sharp ramps.
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Shipka Pass
A 23.4 km haul climbing 912 m from 315 m to 1227 m at a steady 3.89 percent, with a punishing 14.87 percent kicker hidden in the numbers.
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Lukmanier Pass
A Category 3 Alpine pass in Switzerland, the Lukmanier delivers 6.2 km of riding with an average gradient of 4.76% and a sharp max of 12.97%. Approachable but not trivial.
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Pordoi Pass
A practical profile for the Pordoi Pass cycling climb: 19.4 km at 5.47%, with pacing and gearing notes for its long Category 1 rise to 2,238 m.
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Pordoi Pass
17.7 km at 6.01% average, ramping to 12.2%, climbing from 1176 m to a lofty 2238 m summit.
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Arlberg
12.2 km of steady Category 1 climbing at 6.28%, rising 769 m from 1031 m to a lofty 1800 m summit.
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Albula Pass
A Category 1, 8.8km Swiss climb averaging 7.08% with 625m of net gain but 782m of total ascent — the undulation is the real challenge.
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Qacha's Nek
A 13.1 km category-2 grind climbing 520 m from 1475 m to 1995 m at a steady 3.98%, with a leg-snapping 9.8% max ramp.
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Reschen Pass
A practical pacing and gearing guide to the Reschen Pass cycling climb, a steady category 2 ascent in Italy.
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Reschen Pass
A punchy 4.8 km category 2 climb averaging 7.82%, spiking to 10.98%, from 1042 m up to a 1418 m summit.
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Qacha's Nek
A measured profile of the Qacha's Nek cycling climb, with pacing and gearing notes for its 13.7 km rise at 3.81%.
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Umbrail Pass
22.2 km at 6.98%, climbing from 944 m to 2494 m — a 1550 m HC ascent that tops out with a brutal 18.79% ramp.
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Nufenen Pass
A data-driven profile of Switzerland's Nufenen Pass, an 11.2km HC climb averaging 10.09% with 1,135m of net gain and 389m of hidden re-climbing.
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Dukla Pass
A short category 4 ascent in SK: 2.8 km at 5.8%, with enough double-digit gradient to punish riders who start too hard.
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Dukla Pass
A punchy 2.8 km category 4 climb averaging 5.83%, spiking to 10.46% as it lifts you 165 m to a 449 m summit.
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Mont Cenis Pass
A long HC ascent in France: 24.7km at 6.42%, rising from 508m to 2,093m with ramps up to 9.44%.
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Mont Cenis Pass
22.3 km at 7.12% average, ramping to 12.95%, hauling you from 505 m to a 2096 m summit — a full HC test.
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Alto de L'Angliru
A practical pacing and gearing guide to the Alto de L'Angliru cycling climb, based strictly on its length, gradient and elevation profile.
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North Col
North Col is a 7 km HC climb in China with extreme average steepness, high altitude, and ramps that demand conservative pacing from the start.
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