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Lozoya Somosierra

Horcajo de la Sierra-Aoslos

The best MTB trails around Horcajo de la Sierra-Aoslos

4.5

(35)

341

riders

36

rides

Mountain bike trails around Horcajo de la Sierra-Aoslos are situated within the Sierra Norte de Madrid, a region known for its diverse landscapes. The area is part of the Sierra del Rincón Biosphere Reserve, characterized by extensive pine and oak woods, gentle valleys, and streams. Terrain varies from technical singletracks to rugged trails, offering varied riding experiences. The region's natural features include forests of ash, alder, and poplars, particularly along the Garita and Grande streams, with higher altitudes featuring significant…

Last updated: May 16, 2026

4.5

(4)

7

riders

#1.

Presa de Puentes Viejas – circular desde Buitrago de Lozoya

21.4km

01:48

270m

270m

Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

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Easy

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

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

Hard

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

Moderate

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

Hard
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Tips from the Community

Enbicia2
June 8, 2025, Cruce de arroyo

A fairly rocky section of trail descends to the Riosequillo stream. Both the descent and ascent from the stream are quite difficult due to the steep, broken terrain.

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Beautiful walled town located in the mountains north of Madrid.

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Beautiful town in the middle of the Sierra Norte mountains.

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nice easy route, to repeat!

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Wonderful views and surroundings

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Beautiful town in La Sierra de Madrid with extraordinary landscapes. We recommend this town and its surroundings to isolate yourself from the world.

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Aljibe :-) About 50 meters up the slope there is a spring flowing out of a small cistern

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The Senda de las Gariñas is a circular path 6.5 km long. The route crosses part of the forest mass known as the Gariñas forest and reaches the Puentes Viejas reservoir, where we find the riverside landscape. The forest is made up mostly of resin pine, although as we approach the banks of the reservoir we also find ash trees and Montpellier maples.

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Frequently Asked Questions

How many mountain bike trails are available in Horcajo de la Sierra-Aoslos?

There are nearly 40 mountain bike trails around Horcajo de la Sierra-Aoslos, offering a diverse range of experiences for cyclists. These routes are highly rated by the komoot community, with an average score of 4.4 stars.

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

The terrain around Horcajo de la Sierra-Aoslos is quite varied, featuring extensive pine and oak woods, gentle valleys, and streams. You'll encounter everything from technical singletracks and rugged trails to smoother paths, with significant forest mass at higher altitudes. The area is part of the Sierra del Rincón Biosphere Reserve, known for its diverse ecosystems.

Are there mountain bike trails suitable for beginners in Horcajo de la Sierra-Aoslos?

Yes, the region offers routes catering to all skill levels. There are 4 easy mountain bike trails, perfect for beginners or those looking for a more relaxed ride. An example of an easy route is Presa de Puentes Viejas – circular desde Buitrago de Lozoya, which offers scenic views of the reservoir.

What is the best time of year for mountain biking in Horcajo de la Sierra-Aoslos?

The autumn and spring seasons are especially recommended for mountain biking in Horcajo de la Sierra-Aoslos. During these times, the landscapes are vibrant and colorful, and the weather is generally pleasant for outdoor activities. You'll also have increased opportunities for wildlife observation.

Are there any circular mountain bike routes in the area?

Yes, many of the mountain bike trails in Horcajo de la Sierra-Aoslos are circular, allowing you to start and end your ride in the same location. For example, the Pinilla Reservoir Viewpoint – Matafrailes Bridge loop from Buitrago del Lozoya is a popular circular route that takes you through forested areas and offers reservoir views.

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

The region is rich in natural beauty. You can explore extensive pine and oak woods, as well as forests of ash, alder, and poplars along the Garita and Grande streams. Notable natural attractions include the Montejo beech forest, one of the southernmost beech forests globally. You might also encounter highlights like the Chorrera de los Litueros Waterfall or the Puerto de la Puebla.

Are there any family-friendly mountain biking options in the Sierra Norte de Madrid?

Yes, the Sierra Norte de Madrid offers family-friendly cycling options. While some trails are challenging, there are also easier tracks suitable for families. The diverse landscape ensures that you can find routes that match your family's skill level, allowing everyone to enjoy the natural surroundings.

Can I bring my dog on the mountain bike trails?

Many trails in natural areas like the Sierra Norte de Madrid are generally dog-friendly, especially if your dog is well-behaved and kept under control. However, it's always advisable to check local regulations or specific trail signage for any restrictions, particularly within protected areas like the Sierra del Rincón Biosphere Reserve, to ensure a pleasant experience for everyone.

Are there places to eat or stay near the mountain bike trails in Horcajo de la Sierra-Aoslos?

Horcajo de la Sierra-Aoslos and the surrounding villages offer amenities for visitors. You can find cafes and restaurants to refuel after your ride, as well as accommodation options for mountain bikers looking to extend their stay. These local establishments often cater to outdoor enthusiasts.

What other outdoor activities can I do in the Horcajo de la Sierra-Aoslos region besides mountain biking?

Beyond mountain biking, the region provides a wide range of outdoor pursuits. You can enjoy hiking through extensive pine and oak woods, trekking, Nordic walking, and trail running. The Pinilla Reservoir offers water sports like canoeing and paddleboarding, and there's even an adventure park with zip lines in the Sierra Norte de Madrid for family fun.

How can I access the mountain bike trails using public transport?

While specific public transport options directly to every trailhead might vary, Horcajo de la Sierra-Aoslos is located within the Sierra Norte de Madrid, which is accessible from the capital. It's recommended to research bus routes connecting Madrid to villages in the Sierra Norte, such as Buitrago del Lozoya, which serves as a starting point for several routes like View of Buitrago del Lozoya – Buitrago de Lozoya loop. Always check current schedules and bike carriage policies.

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