4.2
(22)
558
riders
71
rides
Gravel bike trails around Lozoya Somosierra traverse a diverse landscape within the Sierra de Guadarrama, characterized by mountainous terrain, the Lozoya Valley, and three rivers including the Lozoya, Jarama, and Guadalix. The region features extensive forests of pine, oak, and birch, alongside grasslands and scrublands. Elevations range significantly, from valley floors at 1100 meters to peaks reaching 2428 meters, providing varied gradients for gravel biking. This area offers a network of old drovers' routes and forest tracks suitable for exploration.
…Last updated: May 12, 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.
4.5
(2)
17
riders
64.5km
05:10
940m
940m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
29
riders
53.7km
04:00
810m
810m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.5
(2)
15
riders
70.0km
05:22
1,040m
1,040m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
14
riders
79.8km
07:00
1,490m
1,490m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
11
riders
77.4km
07:07
1,720m
1,720m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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The Hervidero Waterfall is a double waterfall on the Guadalix River, nestled in a rocky canyon and surrounded by riverside vegetation. It can be reached via a flat and easy 7 km (round trip) route starting from San Agustín del Guadalix, ideal for family hikes.
4
0
Manzanares el Real Castle, also known as Mendoza Castle: Built in 1475 by order of Diego Hurtado de Mendoza, 1st Duke of the Infantado, on the site of a former Romanesque-Mudéjar church. Its architecture is Isabelline Gothic, with a square floor plan, cylindrical towers, and an octagonal keep. It served as the palatial residence of the powerful Mendoza family, who even established a literary court there. Declared a Historic-Artistic Monument in 1949. Today it houses a Medieval Interpretation Center, with exhibits of tapestries, armor, furniture, and audiovisual presentations about life in the Middle Ages.
1
0
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
0
A comfortable trail with incredible views. As an added bonus, you can descend to the Mojonavalle waterfall. A truly beautiful cascade.
0
0
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
A beautiful bridge leads to the Finca de los Batanes, where the hostel is located. Opposite is the El Paular Monastery. From this bridge, there's a path that leads to the village of Rascafría, where I could see people walking and exercising.
0
0
It is a good area for a quiet route without rushing... except for some sections with a lot of water where you have to walk.
0
0
Lozoya Somosierra offers a wide range of gravel biking opportunities, with nearly 90 routes available for exploration. These trails cater to various skill levels, from moderate to difficult, ensuring there's an adventure for every gravel cyclist.
The terrain in Lozoya Somosierra is incredibly diverse, characterized by its mountainous relief, the scenic Lozoya Valley, and three significant rivers. You'll encounter extensive forests of pine, oak, and birch, alongside grasslands and scrublands. Many routes follow old drovers' paths, local trails, and forest tracks, providing a mix of surfaces and elevation changes, with some climbs exceeding 1000 meters.
While many routes in Lozoya Somosierra are rated as moderate to difficult due to significant elevation changes, there are options suitable for those looking for a less strenuous ride. For example, the Soto del Real railway halt – Slides of the Senda Real loop from Archidiócesis de Madrid is a moderate 53.3 km route with a more manageable elevation gain, offering a good introduction to the region's gravel biking.
Lozoya Somosierra is rich in natural beauty. You can enjoy extensive views of the Lozoya Reservoir on routes like the Matafrailes Bridge – View of Lozoya Reservoir loop from La Cabrera. The region also features picturesque river valleys, dense pine forests, and unique geological formations. The Canencia Pass is particularly noted for its incredible landscapes, and you might even spot waterfalls like the Hervidero Waterfall.
Yes, many of the gravel bike trails in Lozoya Somosierra are designed as loops, allowing you to start and end in the same location. A popular example is the La Morcuera Pass – Canencia Pass loop from Rascafría, which takes you through two iconic mountain passes. Another option is the El Villar Reservoir and Gorge – Puerto de la Puebla loop from Prádena del Rincón, offering a challenging circular journey.
The diverse climate of Lozoya Somosierra means conditions can vary. Spring and autumn generally offer the most pleasant temperatures for gravel biking. While higher elevations can experience seasonal snow cover in winter, the lower valleys and forest tracks can still be accessible. Summer can be warm, so early morning rides are recommended. Always check local weather conditions before heading out.
The region is characterized by its rivers and reservoirs, including the Lozoya River and the Pinilla reservoir. While specific designated wild swimming spots on gravel routes are not explicitly listed, the presence of water bodies like the El Villar Reservoir and Gorge suggests opportunities for enjoying the water during warmer months. Routes such as the Views of the Lozoya River – El Villar Reservoir Dam loop from La Cabrera offer scenic views of these water features.
Lozoya Somosierra is rich in history. Buitrago del Lozoya is a notable attraction with its medieval walled enclosure and castle. The Monastery of El Paular, a Carthusian foundation from 1390, is another significant historical landmark. Many gravel routes pass through traditional mountain villages, offering a glimpse into rural Spanish life and historical architecture.
The region features traditional mountain villages that often have local cafes and restaurants where you can refuel. While specific cafes are not listed for every route, planning your ride to pass through towns like Rascafría or Prádena del Rincón will likely provide opportunities for refreshments and meals.
While specific public transport connections to every trailhead are not detailed, the region is accessible from Madrid. Some routes, like the Plaza de España, Rascafría – La Morcuera Pass loop from Estación Gargantilla-Lozoya, mention starting points near stations, suggesting public transport options might be available to certain villages or access points. It's advisable to check local bus or train schedules to the main towns in the Lozoya Somosierra region.
The gravel biking experience in Lozoya Somosierra is highly rated by the komoot community, with an average score of 4.4 stars from over 30 reviews. Cyclists often praise the diverse landscapes, the challenging yet rewarding climbs, and the extensive network of old drovers' routes and forest tracks that allow for deep immersion in nature. The varied terrain, from river valleys to pine forests, is a consistent highlight for visitors.


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