4.2
(22)
558
riders
55
rides
Gravel biking around Lozoya Somosierra offers a diverse landscape characterized by extensive forests of pine, oak, birch, and holly, alongside grasslands and scrublands. The region is shaped by the Lozoya, Jarama, and Guadalix rivers, which carve scenic valleys and gorges. Significant natural features include major reservoirs like El Atazar, Pinilla, and El Villar, providing expansive waterside vistas. Mountain passes such as La Morcuera and Canencia contribute demanding ascents and panoramic views, making the area suitable for varied gravel biking experiences.
Last updated: May 10, 2026
5.0
(1)
50
riders
81.0km
06:59
1,350m
1,350m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3.5
(2)
52
riders
101km
08:05
1,380m
1,380m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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33
riders
57.1km
04:53
900m
900m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
34
riders
61.0km
04:59
960m
960m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
17
riders
101km
08:54
2,070m
2,070m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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It is located in the Sierra de Guadarrama mountain range, between the municipalities of Miraflores de la Sierra and Rascafría, in the Community of Madrid. From Miraflores de la Sierra (1200m), the route ascends approximately 600m over 10km (average gradient 4–6%), and after reaching the summit, it descends 13km to Rascafría (1150m) with a gradient of 4.5–7%.
6
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A comfortable trail with incredible views. As an added bonus, you can descend to the Mojonavalle waterfall. A truly beautiful cascade.
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The Castle and Walls of Buitrago del Lozoya, one of the most important medieval sites in the Community of Madrid: The town has pre-Roman roots and was mentioned by Livy as a Celtiberian fortress (Litabrum). Muslim Fortification: Between the 8th and 11th centuries, the Muslims built the wall to protect the territory. Reconquest: Alfonso VI conquered it in 1085, and it passed into Christian hands. Current Castle: Built in the 15th century by the Mendoza family, during the reign of John II of Castile. Historical Uses: Noble residence, defensive stronghold, and setting for events such as the imprisonment of Juana la Beltraneja.
3
0
Beautiful place and beautiful river, with water, as it was flowing today.
0
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Beautiful walled town located in the mountains north of Madrid.
0
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A beautiful stone bridge. The climb afterward is quite rocky, and you'll have to walk for a bit.
0
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Stone bridge that crosses the Lozoya River near its passage through the Pinilla reservoir.
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Lozoya Somosierra offers a significant number of routes suitable for gravel biking with minimal traffic. This guide features over 50 such routes, ranging from moderate to difficult, ensuring a diverse selection for various skill levels.
You'll find a rich variety of terrain, from tranquil rural trails and ancient transhumance paths to more demanding sections through mountain passes. The region is characterized by grasslands, scrublands, meadows, and extensive forests of pine, oak, birch, holly, and yew trees, often crisscrossed by rivers like the Lozoya, Jarama, and Guadalix. Expect a mix of unpaved and paved sections, ideal for gravel bikes.
While many routes in this guide are rated moderate to difficult, the extensive network of rural trails and natural paths in Lozoya Somosierra does offer options for families. Look for routes along the Valle del Lozoya, which often feature gentler gradients and scenic, quiet sections suitable for a more relaxed pace. Always check the route details for specific difficulty and elevation before heading out with family.
Lozoya Somosierra is rich in natural beauty. You can encounter stunning features like the Hervidero Waterfall, where waters cascade over siliceous rock. The El Villar Reservoir and Gorge is another notable highlight, housing one of the region's oldest operational dams and offering spectacular views. Other waterfalls include Chorrera de los Litueros Waterfall and Purgatory Waterfall.
Absolutely. The region is dotted with historical gems. You might cycle past the impressive Matafrailes Bridge, an ancient structure over the Lozoya River. The charming walled town of Buitrago del Lozoya, with its medieval castles, is also a significant cultural highlight. The Monastery of Santa Maria del Paular is another important cultural attraction often found along the Lozoya Valley Nature Trail.
Yes, Lozoya Somosierra offers plenty of challenging routes. For instance, the La Morcuera Pass – Canencia Pass loop from Rascafría presents significant climbs and expansive mountain views. Another demanding option is the El Villar Reservoir and Gorge – Puerto de la Puebla loop from Prádena del Rincón, which features substantial elevation gain over its 100 km distance.
Spring and autumn are generally ideal. The weather is milder, and the natural landscapes are at their most vibrant, with lush greenery in spring and rich colors in autumn. These seasons also tend to have fewer visitors compared to peak summer, contributing to a more traffic-free experience on the trails. Winter can be beautiful but may present colder temperatures and snow at higher elevations.
Many of the no-traffic gravel routes in Lozoya Somosierra are designed as circular loops, allowing you to start and end at the same point. Examples include the Matafrailes Bridge – View of Lozoya Reservoir loop from La Cabrera and the Plaza de España, Rascafría – La Morcuera Pass loop from El Tomillar. These loops are excellent for exploring the diverse landscapes without needing to retrace your steps.
The area is highly rated by the komoot community, with an average score of 4.2 stars. Reviewers often praise the tranquility of the routes, the stunning natural scenery, and the variety of terrain that makes for an engaging gravel biking experience away from vehicle traffic. The well-maintained paths and the sense of immersion in nature are frequently highlighted.
Many towns and villages that serve as starting points for these routes, such as Rascafría, La Cabrera, or Prádena del Rincón, offer public parking facilities. It's advisable to check specific route descriptions on komoot for recommended parking spots near the trailhead, especially for longer or more remote rides.
While general cycling is permitted on designated trails, certain areas within the Sierra de Guadarrama National Park or the Sierra del Rincón Biosphere Reserve might have specific regulations or require permits for access to sensitive zones or for certain activities. It's always best to consult the official websites of these protected areas before your ride to ensure compliance with local rules.
Yes, many routes pass through or near charming villages where you can find cafes, restaurants, and small shops to refuel. Towns like Rascafría, Buitrago del Lozoya, and La Hiruela are known for their hospitality and offer opportunities to enjoy local cuisine and take a break. Planning your route with these stops in mind can enhance your gravel biking experience.


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