4.8
(3)
42
riders
6
rides
Gravel biking around Madarcos features routes that traverse varied terrain within the Sierra del Rincón Biosphere Reserve. The region is characterized by mountainous landscapes, including peaks like Cerro Quiñones, and extensive forests. Gravel bike trails often follow reservoir edges, such as Puentes Viejas and El Atazar, and river valleys, providing a mix of open areas and forested sections. The topography offers diverse riding experiences with both ascents and descents.
Last updated: July 2, 2026
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)
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.

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2
riders
31.9km
02:19
420m
420m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4
riders
50.4km
03:26
750m
750m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3
riders
105km
08:55
2,430m
2,430m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Panoramic loop through the Sierra del Rincón
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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.
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The landscape of the El Cardoso Pass is very typical of the Central Mountain System. Its pass separates the oak forest that thrives on one side and the pine trees that spread across the other. It also has extensive alpine meadows from which the rest of the mountain range can be seen.
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Beautiful walled town located in the mountains north of Madrid.
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Viewpoint with wonderful views
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Place between Segovia and Guadalajara that is the starting point for many routes.
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Wonderful views and surroundings
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The Church of San Pedro is located on Calle del Altillo in the town of Sieteiglesias, belonging to the municipality of Lozoyuela-Navas-Sieteiglesias, province of Madrid.
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Gravel biking in Madarcos offers a diverse experience, characterized by routes that navigate reservoir edges, river valleys, and mountain passes. You'll find a mix of open landscapes and forested sections, with options ranging from moderate to challenging ascents and descents.
While many routes in Madarcos are considered difficult, there are some moderate options suitable for those looking for a less intense ride. For example, the Views of the Lozoya River – El Atazar Reservoir loop from Puentes Viejas is a moderate 31.9 km trail that offers beautiful scenery without extreme challenges.
The region's varied terrain, including mountain passes and reservoirs, suggests that spring and autumn are ideal for gravel biking, offering pleasant temperatures and vibrant landscapes. Summer can be warm, especially in open areas, while winter might present colder conditions and potential snow at higher elevations like the Puerto de la Puebla.
Yes, Madarcos is home to several challenging long-distance routes. The Puerto de la Quesera – Entrance to Hayedo de Montejo loop from Somosierra is a demanding 104.6 km trail with significant elevation gain, perfect for experienced gravel bikers seeking a full-day adventure.
Many routes offer stunning views of natural landmarks. You can ride past the expansive El Villar Reservoir and Gorge, explore the Birch Forest of Somosierra, or even encounter the impressive Chorrera de los Litueros Waterfall. Mountain passes like Puerto de la Puebla also offer panoramic vistas.
Yes, many of the gravel bike routes around Madarcos are designed as loops, allowing you to start and end at the same point. Examples include the El Villar Reservoir and Gorge – Puerto de la Puebla loop from Prádena del Rincón and the Great Wall Bridge – Choza del Majadal loop from La Hiruela.
The gravel biking routes in Madarcos are highly regarded by the komoot community, holding an average rating of 4.75 stars from over 3 reviews. Many of the 47 visitors who have explored the area praise the varied terrain and the scenic beauty of the reservoir and mountain landscapes.
Absolutely. The charming village of La Hiruela is a notable highlight, often featured in routes. You can also find various mountain peaks like Goat Rock and Pico Porrejón offering additional points of interest for exploration.
There are approximately 6 gravel bike trails documented in the Madarcos area, offering a range of experiences from moderate to difficult, primarily focusing on reservoir loops, river views, and mountain pass ascents.
Yes, the Views of the Lozoya River – El Atazar Reservoir loop from Puentes Viejas is a moderate trail specifically designed to showcase the beautiful Lozoya River and the El Atazar Reservoir.
For those seeking a significant challenge, routes like the El Villar Reservoir and Gorge – Puerto de la Puebla loop from Prádena del Rincón, spanning over 100 km with substantial elevation, are among the most difficult and rewarding options in the area.


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