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
21.4km
01:48
270m
270m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
4.6
(11)
88
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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4.3
(3)
38
riders
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
22
riders
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
9
riders
39.4km
03:24
480m
480m
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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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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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.
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.
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.
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.
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.
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.
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'.
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'.
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.
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.
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.
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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