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Santander
Cantabria
Ason

Collados Del Asón

The best MTB trails in Collados Del Asón

4.5

(2)

40

riders

8

rides

Mountain biking in Collados Del Asón offers diverse and rugged landscapes, characterized by significant elevations ranging from 240 to 1,632 meters above sea level. The region features complex terrain with considerable slopes, limestone outcrops, and karstic formations. This natural park in Cantabria, Spain, is known for its unique geological features and rich natural environment, including peaks like Picón del Fraile and the dramatic Birth of the Asón River.

Best mountain bike trails in Collados Del Asón

  • The most popular mountain…

Last updated: May 20, 2026

#1.

Nacimiento del río Asón y Alto de la Posadía – circular por el Parque Natural de los Collados del Asón

23.0km

02:37

870m

870m

Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

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Hard

3.0

(1)

13

riders

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

Moderate
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Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.

Hard

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.

Hard

8

riders

Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.

Hard
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Tips from the Community

Ana- Remoteana
September 19, 2025, Torre de los Baranda, Espinosa de los Monteros

The Torre de los Baranda, in Espinosa de los Monteros, is a stately building that reflects the historical importance of the area's lineages.

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nabartu
September 8, 2024, Portillo de La Sía

very windy, wrap up well

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Last fountain on the way to the viewing point trail.

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Beautiful lonely valley end before the short and partly shady climb to Canal Honda

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Nice path through lush meadows. Only animals, no people.

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The hermitage of San Bernabé is located at the main entrance of the Ojo Guareña Karst Complex and is part of the caves. Located in the municipality of Cueva de Sotoscueva. The date of its construction is unknown, some place it between the 8th and 9th centuries, but it is also believed to be from the 13th century.

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As it passes through the surroundings of the town of Espinosa de los Monteros, natural pools are formed in the Trueba river where locals and also visitors take advantage of the summer months to take a bath and cool off.

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With a population of around 30 inhabitants, Quintanilla del Rebollar is a small and picturesque corner that offers a quiet and cozy atmosphere, surrounded by beautiful natural landscapes and mountains. Its cobbled streets and stone houses tell centuries-old stories.

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Frequently Asked Questions

What is the general difficulty level of mountain bike trails in Collados del Asón?

Collados del Asón offers a range of mountain biking experiences. While there are no easy routes listed, you'll find 2 moderate trails and 7 difficult trails. The terrain is characterized by significant elevations, complex relief, and karstic formations, making it ideal for riders seeking a challenge. For example, the Yera Station – Aján River Waterfalls loop from Veguilla is a difficult 53.4-mile route with substantial elevation changes.

Are there any family-friendly mountain bike trails in Collados del Asón?

The mountain bike trails in Collados del Asón are generally rated as moderate to difficult, with no easy routes available in the current selection. The park's rugged and complex terrain, featuring considerable slopes and elevations, might be challenging for younger children or beginner families. However, some moderate routes, like the Grazing area – Plaza de Las Machorras loop from Las Machorras, could be suitable for families with older, experienced riders.

What natural features and landmarks can I see along the mountain bike trails?

Collados del Asón is rich in natural beauty. You can encounter spectacular features like the Asón Waterfall, where the Asón River dramatically emerges from a cliff. Other notable sights include the impressive Canal Honda, a 700-meter-long canyon, and various viewpoints such as Alto de la Posadía, offering panoramic views. The park's karstic landscape also features unique geological formations like lapiaces, dolinas, and poljes.

Are dogs allowed on the mountain bike trails in Collados del Asón?

Collados del Asón Natural Park is generally dog-friendly, but it's always recommended to keep dogs on a leash, especially in areas with livestock or protected wildlife. Given the diverse ecosystems and presence of large raptors and other wildlife, responsible pet ownership is crucial to protect the natural environment and ensure a safe experience for everyone.

What is the best time of year for mountain biking in Collados del Asón?

The best time for mountain biking in Collados del Asón is typically during spring, summer, and early autumn. These seasons offer more favorable weather conditions, making the trails more accessible and enjoyable. Winter can bring challenging conditions, including snow and ice at higher elevations, which may limit access and increase difficulty. Always check local weather forecasts before heading out.

Are there any circular mountain bike routes available?

Yes, many of the mountain bike routes in Collados del Asón are circular, allowing you to start and end at the same point. An example is the Nacimiento del río Asón y Alto de la Posadía – circular por el Parque Natural de los Collados del Asón, which is a 14.3-mile loop. Another option is the Picnic Area by the Asón River – La Sía Pass loop from Arredondo, a 31.7-mile circular route.

Where can I find parking for mountain biking in Collados del Asón?

Specific parking information for individual trailheads is often available on komoot route pages. Generally, you can find parking near popular starting points or villages within the park. For example, routes starting from Las Machorras, such as the El Ventanón Natural Rock Arch – Pico del Cuerno loop from Las Machorras, would typically have parking facilities nearby. It's advisable to check the route details for precise parking locations.

Are permits required for mountain biking in Collados del Asón Natural Park?

Generally, permits are not required for mountain biking on established trails within Collados del Asón Natural Park. However, it's always good practice to respect park regulations, stay on marked paths, and be mindful of protected areas. For specific or large group activities, it's recommended to consult the official park information center in La Gándara for any updated requirements.

What do other mountain bikers enjoy most about the trails in Collados del Asón?

The mountain bike trails in Collados del Asón are highly rated by the komoot community, with an average score of 4.5 stars. Reviewers often praise the diverse and rugged landscapes, the challenging ascents, and the unique geological formations. The undisturbed natural beauty and the opportunity to explore features like the Birth of the Asón River are frequently highlighted as key attractions.

Are there any waterfalls to see while mountain biking in the area?

Yes, one of the most spectacular natural attractions in the park is the Asón Waterfall, which is the dramatic source of the Asón River. Routes like the Nacimiento del río Asón y Alto de la Posadía – circular por el Parque Natural de los Collados del Asón specifically explore this area, allowing you to experience this natural wonder.

What kind of terrain can I expect on the mountain bike trails?

The terrain in Collados del Asón is diverse and challenging. You can expect considerable slopes and elevations, ranging from 240 to 1,632 meters above sea level. The landscape features limestone outcrops, karstic formations, and a mix of trails and tracks. This includes both open grazing areas and more rugged, technical sections, providing a varied experience for mountain bikers.

Are there any interpretation centers or visitor information points in the park?

Yes, there is an Interpretation Center located in La Gándara. This center provides valuable information, maps, and brochures about the park's natural values, geological features, and available routes. It's a good starting point to learn more about the area before heading out on your mountain bike adventure.

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