The Sierra de la Culebra, in Castilla y León, is an extreme challenge for mountain bikers. With 210 km and 2,831 m of elevation gain, this border route demands endurance and technique. Rural unpaved paths and technical sections with little traffic predominate, making them ideal for focused cycling. The terrain varies from steep climbs to fast descents, crossing open landscapes and forests. Accessible by public transport, it combines solitude and concentration, perfect for those looking to push their limits in a demanding environment.
Network: MTB Routes Northwest of Zamora
Marked route according to the official IMBA Spain standard: the main marker is the MTB directional arrow (a triangle with two circles below) indicating the direction of travel. The indicator for this route is a red diamond with the number 1 (difficult).
RutasIMBA 2022-2025 CC-BY 4.0 IMBA
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<p><a class="routeYou_embed" href="https://app.routeyou.com/en-es/route/view/19351577?utm_source=embed&utm_medium=article&utm_campaign=routeshare&navigation=external" title="Sierra de la Culebra - RouteYou" target="_blank"><img src="https://image.routeyou.com/embed/route/960x670/19351577-en@2x.png" style="width: 100%; height: auto;" alt="Sierra de la Culebra"></a></p>
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International Mountain Bicycling Association (Spain)
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