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Lozoya Somosierra

La Serna Del Monte

The best MTB trails around La Serna Del Monte

4.6

(53)

429

riders

49

rides

Mountain biking around La Serna Del Monte offers diverse landscapes on the southern slope of the Sierra del Guadarrama, situated at an elevation of 3,524 feet (1,074 meters). The terrain features expansive pastures, native oak forests, and smaller areas of holm oaks and junipers. The Arroyo de las Cárcavas stream and the Lozoya River contribute to the region's natural beauty, with routes often leading to reservoirs like Puentes Viejas. This area provides varied mountain bike trails suitable for different skill…

Last updated: July 11, 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

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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

Hard

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

Hard

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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Popular around La Serna Del Monte

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Ports, countryside and rivers – Tour of Madrid by road bike

Road Cycling Collection by

Alvaro Hernandez

Tips from the Community

Juan Carlos 🇪🇦
June 20, 2025, Puente Congosto sobre el Río Lozoya

Beautiful place and beautiful river, with water, as it was flowing today.

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Non-cycling trail leading to the San Mamés waterfall.

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Built in the center of El Cuadrón in stone, brick, and wood, its style can be described as austere and simple, prepared for the worship of a small population.

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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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Stone bridge difficult to access by bicycle.

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Beautiful walled town located in the mountains north of Madrid.

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A beautiful stone bridge. The climb afterward is quite rocky, and you'll have to walk for a bit.

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Good place for everything

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Frequently Asked Questions

How many mountain bike trails are available around La Serna Del Monte?

There are over 40 mountain bike trails around La Serna Del Monte, offering a wide range of options for different skill levels. You'll find everything from easy, scenic rides to more challenging, difficult routes.

Are there mountain bike trails suitable for beginners in La Serna Del Monte?

Yes, La Serna Del Monte offers 7 easy mountain bike routes. A great option for beginners is the Presa de Puentes Viejas – circular desde Buitrago de Lozoya, which is 13.3 miles (21.4 km) long and takes about 1 hour 47 minutes to complete, offering scenic views around the reservoir.

What kind of terrain can I expect on mountain bike trails in La Serna Del Monte?

The terrain around La Serna Del Monte is diverse, situated on the southern slope of the Sierra del Guadarrama. You can expect a mix of expansive pastures, native oak forests, holm oaks, and junipers. Many routes feature picturesque riverside scenery along the Arroyo de las Cárcavas stream and the Lozoya River, often leading to reservoirs like Puentes Viejas and El Atazar. Trails can range from mostly paved sections to unpaved and more technical segments.

Are there any circular mountain bike trails in the area?

Yes, many routes around La Serna Del Monte are circular. For example, the Presa de Puentes Viejas – circular desde Buitrago de Lozoya is a popular easy loop. Another option is the moderate Views of the Lozoya River – El Atazar Reservoir loop from Buitrago del Lozoya, offering extensive views.

What are some notable natural attractions or viewpoints along the mountain bike trails?

You'll find several natural highlights and viewpoints. The Bosque de las Gariñas and Puentes Viejas Reservoir is a significant natural feature, with a circular path winding through the forest. The El Villar Reservoir and Gorge also offers impressive scenery. For a specific viewpoint, consider the route Pinilla Reservoir Viewpoint – Matafrailes Bridge loop from Buitrago del Lozoya.

Are there any waterfalls I can visit while mountain biking?

Yes, the Chorrera de San Mamés is a notable waterfall in the vicinity that you might be able to incorporate into a ride or visit nearby.

What do other mountain bikers enjoy most about mountain biking in La Serna Del Monte?

The area is highly rated by the komoot community, with an average score of 4.5 stars from over 60 reviews. Mountain bikers often praise the diverse landscapes, the scenic views of reservoirs and rivers, and the variety of trails suitable for different skill levels, describing the experience as 'pure fun'.

Are there any historical or cultural landmarks near the trails?

Absolutely. The area is rich in history. You can find the medieval Castle of the Mendoza Family (Buitrago de Lozoya) and its ancient walls nearby. Within La Serna Del Monte itself, there's a Civil War bunker (Casamata), a historic sundial, and the Parish Church of San Andrés. The region is also crossed by traditional livestock trails known as 'vías pecuarias'.

What is the best time of year to go mountain biking in La Serna Del Monte?

Given its elevation and location on the southern slope of the Sierra del Guadarrama, spring and autumn generally offer the most pleasant conditions for mountain biking, with mild temperatures and vibrant scenery. Summer can be warm, while winter might bring colder temperatures, especially at higher elevations, though specific trail conditions would depend on recent weather.

Are there any challenging routes for experienced mountain bikers?

Yes, La Serna Del Monte offers 21 difficult mountain bike routes for experienced riders. A challenging option is the Pinilla Reservoir Viewpoint – Matafrailes Bridge loop from Buitrago del Lozoya, a 29.4 miles (47.3 km) trail with significant elevation gain, typically completed in about 4 hours 8 minutes.

Where can I find parking for mountain biking in La Serna Del Monte?

Many popular cycling routes in the area originate from nearby Buitrago del Lozoya, which is a common starting point and likely offers parking facilities. It's advisable to check specific route starting points for designated parking areas.

Are there any family-friendly mountain bike trails?

While specific 'family-friendly' routes aren't explicitly detailed, the 7 easy routes available would be the most suitable for families. The Presa de Puentes Viejas – circular desde Buitrago de Lozoya, being an easy and scenic loop, could be a good option for families looking for a less strenuous ride.

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