Paso de la Cumbre (Tunnel) is a climb of 61.3 kilometers (hors catégorie). Paso de la Cumbre (Tunnel) tops out at 3,179 m above sea level. It is located in Los Andes, Región de Valparaíso, Chile. The average gradient is 4.1% with a maximum of 13%. The climb has 2517 meters of elevation gain.
Difficulty breakdown: This hors catégorie climb covers 61.3 km and is a true endurance test. The difficulty lies in its length and its two-part profile: the first 30 km have moderate gradients (1-3%), followed by a much steeper second section (4-10%) from km 30 onward, with brutal stretches like km 45 at 10%.
Pacing advice:
1. Pace management: Ride at an endurance pace (Zone 2) through the first third to save your legs. Build the effort gradually after KM 30 without blowing up.
2. Anticipate the key sections: Note the steepest kilometres (e.g. KM 30, 45, 48, 59) and drop to an easier gear as you approach them to keep a steady cadence.
3. Strategic fueling: The duration demands strict hydration and nutrition. Plan your feed stops before the hard sections (around KM 30 and 45).
61.3 km • 2517 m D+
VAM: average climbing speed, based on elevation gain
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