Mountain passes around Valle De Mena are characterized by a mountainous landscape, bordered by the Montes de Ordunte to the north and the Montes de la Peña and Sierra Salvada to the south. This region historically served as a natural passage between the Castilian plateau and the Cantabrian ports. The area offers a variety of routes, from ancient paved paths to modern climbs, providing recreational opportunities and scenic beauty. These passes are notable for their historical significance and the panoramic…
Last updated: May 20, 2026
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This is one of the best-known climbs in the province of Burgos, not only because it's always the star stage of the Vuelta a Burgos but also because it has appeared in key stages of the Vuelta a España, one of the three most important stage races in the world. A brutal eight-and-a-half-kilometer climb at an average gradient of over 9%.
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Magnificent ascent to enjoy the landscape and the calm where a lot of minor cycling races in the province are circulated. It has a very regular percentage throughout the rise and only in half of it are percentages that reach 9%. There are views of the Cadagua valley through the Mena pass.
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The Peña Angulo is 18.2 km long, has its highest point at 727 m and rises over a distance of about 18.2 km. The average slope of Peña Angulo is 2.9%.
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Typical climb in the area that links the Sopuerta and Cadagua valleys, where it is not an extremely hard ascent, but the longevity of the kilometers makes it demanding.
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Parking, beginning of the path to the San Miguel lobera
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A fantastic alternative to climb Los Tornos from Soba. A road in perfect condition where it is difficult to find another vehicle. The beginning of the itinerary to La Revilla is surrounded by forests and from Fresnedo the road changes slope and we can enjoy a panoramic view that goes from the Picón Blanco to the Sierra del Hornijo. In winter the view is even more spectacular with all those snowy mountains. After 10 kilometers of ascent, without any notable difficulty, we reached the intersection with the Los Tornos road from where we only had 2.8 kilometers left to reach the pass.
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The Valle de Mena is rich in historical passes. The Puerto de la Magdalena is an ancient paved path, likely Roman, that served as a crucial communication route between the Valle de Mena and the Valle de Losa. Another notable site is the Túnel de la Complacera, an artificial tunnel built in the late 19th century for charcoal transport and trade, offering panoramic views upon exit.
For sweeping panoramic views, consider visiting the Alto del Cabrio, which stands as a privileged viewpoint within the valley. The Alto de Ro also provides magnificent views of the Cadagua valley through the Mena pass. Additionally, exiting the northern side of the Túnel de la Complacera offers stunning vistas of the Valle de Mena.
Yes, the region offers challenging climbs. The Ascent to Picón Blanco from Espinosa de los Monteros is one of the best-known climbs in Burgos, famous for its appearances in the Vuelta a Burgos and Vuelta a España, featuring an average gradient of over 9% over eight and a half kilometers. The Alto de Humaran is also a demanding ascent due to its longevity.
Near the Alto del Cabrio, you can explore natural attractions like the Aguasal waterfalls and the Hijuela waterfalls (also known as Irús waterfalls). Visiting during the rainy season is recommended to see the waterfalls at their most impressive.
The best time to visit depends on your interests. For witnessing the Aguasal and Hijuela waterfalls at their most impressive, the rainy season is recommended, especially when visiting the Alto del Cabrio. For those interested in snowy mountain views, winter can be spectacular, particularly around areas like the Los Tornos via La Revilla and Fresnedo route.
Absolutely. The Puerto de la Magdalena is primarily enjoyed by hikers today. The Túnel de la Complacera forms part of popular hiking routes that can extend to Pico del Fraile. The Alto del Cabrio is often incorporated into circular hiking routes that also allow exploration of nearby waterfalls.
Yes, the Alto del Cabrio is often part of circular hiking routes that allow you to explore both the pass and natural attractions like the Aguasal and Hijuela waterfalls.
The Valle de Mena offers diverse cycling routes. For gravel biking, you can explore routes like the 'A & C Tunnel Entrance – El Sobaco Tunnel loop from Balmaseda' or 'La Sía Pass – Picón Blanco loop from Espinosa de los Monteros'. Road cyclists can enjoy the 'Ordunte Reservoir and Valle de Mena Loop' or the 'Alto de Ro – Alto de Peña Angulo loop from Mercadillo-Villasana'. For mountain biking, consider the 'Embalse de Ordunte - circular route through the Valle de Mena'. You can find more details on these routes in the Gravel biking around Valle De Mena, Road Cycling Routes around Valle De Mena, and MTB Trails around Valle De Mena guides.
Yes, for some passes, parking is available. For instance, at Alto de Peña Angulo, there is parking available, which also serves as the beginning of the path to the San Miguel lobera.
The terrain varies, from ancient paved paths like the Puerto de la Magdalena, which traverses a limestone crest, to modern climbs. Some routes, like Los Tornos via La Revilla and Fresnedo, feature roads in perfect condition surrounded by forests, with changing slopes that offer panoramic views.
Visitors highly appreciate the scenic beauty and the sense of calm found on these passes. Many enjoy the magnificent views of the surrounding valleys, the historical context of routes like the Túnel de la Complacera, and the challenging yet rewarding climbs such as the Ascent to Picón Blanco. The komoot community has contributed 18 photos and 11 upvotes, highlighting the visual appeal and enjoyable experiences.


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