4.1
(10)
291
riders
29
rides
Gravel biking around Bustarviejo, nestled in Madrid's Northern Sierra, offers diverse landscapes within the Sierra de Guadarrama foothills. The region is characterized by granite formations, significant mountain peaks like El Mondalindo, and scenic passes such as Canencia and La Morcuera. Extensive oak and pine forests, along with valleys like "Valle Hermoso," provide varied terrain for no traffic gravel bike trails. Water features including the Pedrezuela Reservoir and numerous streams further enhance the natural environment for cycling.
Last updated: July 2, 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.
35
riders
61.0km
05:00
960m
960m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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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.
5.0
(1)
13
riders
79.9km
07:00
1,490m
1,490m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
14
riders
69.0km
06:40
1,670m
1,670m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Bustarviejo
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.
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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
0
A comfortable trail with incredible views. As an added bonus, you can descend to the Mojonavalle waterfall. A truly beautiful cascade.
1
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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
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
Beautiful place and beautiful river, with water, as it was flowing today.
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There are 18 dedicated traffic-free routes around Bustarviejo suitable for gravel biking. These routes offer a range of experiences, with 5 classified as moderate and 13 as difficult, ensuring options for various skill levels looking for quiet paths.
The gravel trails around Bustarviejo traverse diverse landscapes, including granite formations, ancient oak and pine forests, and mountain passes. You'll encounter forest tracks, varying gradients, and stunning views, making for a rich and engaging ride. The region is known for its natural beauty, often referred to as a 'lung of Madrid'.
Yes, Bustarviejo offers several challenging gravel routes with substantial elevation gain. For instance, the Matafrailes Bridge – View of Lozoya Reservoir loop from La Cabrera covers 84 km with over 1300 meters of ascent. Another demanding option is the Collado de los Pastores – Manzanares el Real Castle loop from Miraflores de la Sierra, which features nearly 1500 meters of climbing over 79 km.
The routes often pass by beautiful natural features. You might encounter the serene Pedrezuela Reservoir or the picturesque Valle Hermoso. The area is also rich in water features, including numerous springs and historic fountains. For specific highlights, consider visiting the Purgatory Waterfall or the Waterfall of the Arroyo de la Vejiga.
Absolutely. The region is dotted with historical sites. You could explore the ancient Silver Mine (Mina de Plata) and its historic Torre de la Mina. The Parish Church of La Purísima Concepción, dating back to the 15th century, is also a notable landmark in the village. Some routes, like the Manzanares el Real Castle – Santillana Reservoir loop from Miraflores de la Sierra, can bring you close to significant historical structures.
Bustarviejo offers great gravel biking opportunities throughout the year. The 'Valle Hermoso' is known for its seasonal color changes, making autumn particularly stunning with vibrant foliage. While winter can bring freezing temperatures to waterfalls like Chorrera de Mojonavalle, the region's diverse landscapes are enjoyable in spring and summer as well, with lush greenery and pleasant weather for riding.
Yes, many of the traffic-free gravel routes around Bustarviejo are designed as loops, allowing you to start and end your ride in the same location. An example is the Plaza de España, Rascafría – La Morcuera Pass loop from El Tomillar, which offers a scenic circular journey through the region's beautiful passes.
The tranquil environment of Bustarviejo's trails provides opportunities to observe diverse wildlife. Cyclists might spot roe deer, various bird species like kites, eagles, and vultures, and even woodpeckers. Iberian emerald lizards are also common, and mountain goat populations are making a comeback in the higher elevations of the valley.
The komoot community highly rates the gravel biking experience in Bustarviejo, with an average score of 3.75 stars. Riders frequently praise the region's quiet, traffic-free paths, the stunning natural beauty of the Sierra de Guadarrama, and the diverse terrain that makes for engaging and rewarding rides.
Many routes in Bustarviejo provide spectacular panoramic views. The region's mountain peaks and passes, such as Canencia Pass and La Morcuera Pass, are renowned for their picturesque routes and incredible scenery. The Hermitage of San Blas, perched on a promontory, offers extensive views encompassing La Pedriza, Cabezas de Hierro, the Santillana reservoir, and even the distant Madrid skyline.
Yes, several routes incorporate the region's reservoirs into their scenic paths. The El Atazar Reservoir – Views of the Lozoya River loop from La Cabrera is a great option for experiencing the tranquility and views around the reservoirs. You can also find routes that offer glimpses of the Santillana reservoir.


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