4.3
(7)
261
riders
12
rides
Touring cycling routes around National Park los Collados del Asón traverse a landscape shaped by glacial and karstic geomorphology, featuring impressive limestone outcrops and the Asón River. The region, located in the Cantabrian Mountains, presents varied terrain with mountain roads, beech forests, and expansive meadows. This environment offers a tranquil setting for touring cyclists seeking routes through dramatic natural features and quiet, unpopulated areas.
Last updated: July 12, 2026
5.0
(3)
70
riders
62.2km
04:35
1,420m
1,420m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
59
riders
58.9km
04:16
1,250m
1,250m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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31
riders
41.6km
03:16
1,170m
1,170m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
2.0
(2)
29
riders
60.1km
04:38
1,570m
1,570m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5
riders
21.2km
01:35
530m
530m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Meters before reaching the Port or Portillo de la Sía, at 1,200 m. altitude, we find the Mirador, from where we have impressive views of the Soba Valley.
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The Carlos III Gate is located in the town of Riotuerto. If you're in the area, stop by this baroque memorial arch.
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Take advantage now, there is no more...
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From here the main routes of the Collados del Asón Natural Park begin. This car park is usually full on weekends and you can also park on the other side of the road
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Simply one of the best places in all of northern Spain to practice any sport or simply enjoy the scenery.
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It is one of the most beautiful valleys in the north of the province of Burgos and which separates it from Cantabria. An immense valley rises that is crowned by the mountain pass of Portillo de Lunada, with high mountains around it that exceed fifteen hundred meters.
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Square that is in the old center of the center of Bárcenas and where, in the main square, is the Church of Santa María Magdalena.
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The touring cycling routes in National Park los Collados del Asón are generally considered challenging. All 13 routes listed in this guide are rated as difficult, featuring significant ascents and varied terrain. This is due to the region's glacial and karstic geomorphology, which has created dramatic landscapes with impressive limestone outcrops and mountain roads.
There are 13 touring cycling routes available in National Park los Collados del Asón that are featured in this guide. These routes offer a range of experiences through the park's unique landscapes.
While touring cycling in National Park los Collados del Asón, you can expect to traverse a landscape shaped by glacial and karstic geomorphology. This includes impressive limestone outcrops, deep canyons like Canal Honda, and the dramatic Asón River Waterfall. You'll also encounter diverse forests, including small beech forests and Cantabrian oak groves, alongside expansive man-made meadows used for livestock, all set against the backdrop of the Cantabrian Mountains.
Yes, many of the touring cycling routes in National Park los Collados del Asón are circular. For example, the popular Basiegos de Dios Café Stop – La Sía Pass loop from Soba and the challenging Puerto de Alisas – Summit of Fuente Las Varas loop from Arredondo are both designed as loops, allowing you to start and finish at the same point.
Absolutely. The region is rich in natural landmarks and viewpoints. You can pass by the spectacular La Sía Pass, witness the impressive Asón Waterfall, or enjoy panoramic views from spots like Alto de la Posadía. The Brenarromán plateau also offers wonderful views of the characteristic Cantabrian interior landscape.
Yes, the striking Asón River Waterfall, which is the source of the Asón River, is a prominent feature in the park. While specific cycling routes might not lead directly to its base, the general area and nearby viewpoints like Mirador de Cailagua and Mirador del Gándara offer impressive vistas of the waterfall and its cascade. The La Sía Pass – Collado de Asón loop from Arredondo, for instance, navigates through river valleys in the vicinity.
The area is highly rated by the komoot community, with an average score of 4.0 stars from over 6 reviews. Reviewers often praise the tranquil and visually rewarding journeys through the quiet, unpopulated nature of much of the park. The dramatic landscapes, unique geological features, and constantly changing backdrop of varied ecosystems, from riverine areas to high mountain terrains, are frequently highlighted as key attractions.
Given the challenging nature of the terrain, with all routes in this guide rated as difficult and featuring significant ascents, truly family-friendly touring cycling routes suitable for young children or beginners are not explicitly highlighted. The park's environment is more geared towards experienced cyclists seeking demanding rides.
While the park offers a natural setting, specific regulations regarding dogs on cycling trails are not detailed in the provided information. It's always advisable to check with the National Park's official guidelines regarding pets on trails to ensure compliance and safety for both your dog and local wildlife.
While specific parking facilities are not detailed for each route, the presence of villages like Arredondo and Soba, which serve as starting points for many routes, suggests that parking options would be available in or near these communities. It's recommended to check local information for designated parking areas before your trip.
Information about bike rental services specifically within or immediately adjacent to National Park los Collados del Asón is not provided. For bike rentals, you might need to look in larger towns or cities in the surrounding Cantabria region, such as Ramales de la Victoria, which are more likely to have such services.
The best time for touring cycling in National Park los Collados del Asón generally aligns with milder weather conditions, typically spring through early autumn. This period avoids the harsher conditions of winter, which can bring snow and ice to the higher elevations, and offers more pleasant temperatures for tackling the challenging ascents and descents.
While the park is largely unpopulated, routes often start or pass through charming villages like Asón (the only population center within the park) or nearby towns such as Soba and Arredondo. These locations are likely to offer opportunities for cafes or refreshments. For example, the Basiegos de Dios Café Stop – La Sía Pass loop from Soba explicitly mentions a café stop, indicating that such amenities can be found.


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