2.5
(2)
106
riders
20
rides
Gravel biking around Embalse de Río Sequillo offers diverse terrain within the Sierra de Guadarrama, characterized by the expansive reservoir and surrounding natural landscapes. The region features a network of dirt tracks and paths suitable for gravel bikes, traversing the picturesque Valle del Lozoya. Riders can expect varied elevations, with routes often providing views of the Somosierra and Sierra del Rincón peaks. This area provides a natural setting for exploring no traffic gravel bike trails.
Last updated: August 22, 2026
35
riders
61.0km
05:00
960m
960m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
2.0
(1)
11
riders
34.8km
02:47
470m
470m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4
riders
35.4km
02:39
470m
470m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5
riders
46.8km
04:13
1,060m
1,060m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
7
riders
43.6km
03:37
570m
570m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Embalse de Río Sequillo
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.
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Many Spanish churches and chapels are dedicated to the Virgin Mary. This one in Bustarviejo bears the inscription "Purísima Concepción," meaning it is dedicated to the Immaculate Conception, a special Marian feast. This term, which may sound somewhat theoretical and difficult to grasp today, expresses the idea that the Virgin Mary was, from the very beginning, freed by God's grace from the burden of original sin—which every human being otherwise carries. This enabled her to freely answer "yes" when the Archangel later announced to her in Nazareth that she would give birth to the Son of God. In 1854, Pope Pius IX declared this article of faith a dogma. The feast day commemorating this occasion—and also the patronal feast of this church—which in Catholic liturgy is officially called the "Solemnity of the Immaculate Conception of the Blessed Virgin Mary," is celebrated annually on December 8th.
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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.
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Fountain that you will find in the Puerto de Canencia.
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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 10 dedicated no-traffic gravel bike trails around Embalse de Río Sequillo, offering a range of experiences from moderate to difficult. These routes allow you to explore the stunning landscapes of the Sierra de Guadarrama without vehicle interference.
The routes around Embalse de Río Sequillo offer spectacular scenery within the picturesque Valle del Lozoya, with views of the Somosierra and Sierra del Rincón peaks. You'll cycle through mountainous and forested environments, often alongside the serene reservoir itself, providing a unique natural setting.
Yes, the area is known for its circular routes. While many are longer, you can find options that loop back to your starting point, allowing for a comprehensive exploration of the reservoir and its surroundings. For example, the Matapaja Viaduct – Beautiful gravel section loop from El Tomillar offers a moderate circular experience.
The Sierra de Guadarrama region generally offers pleasant conditions for gravel biking during spring and autumn, with milder temperatures and vibrant natural colors. Summer can be warm, especially at midday, while winter might bring colder temperatures and potential snow at higher elevations, so checking local weather is always recommended.
Absolutely. The region features several challenging routes with significant elevation gains. For instance, the Plaza de España, Rascafría – La Morcuera Pass loop from El Tomillar is a difficult route spanning over 60 km with nearly 1000 meters of ascent, perfect for those seeking a demanding ride.
Many routes offer stunning viewpoints and pass by notable landmarks. You can enjoy views of the historic town of Buitrago del Lozoya, often described as one of the most charming towns in the region. Routes like the Taboada Viaduct – View of Buitrago del Lozoya loop from Gargantilla del Lozoya y Pinilla de Buitrago specifically highlight these scenic vistas.
Yes, there are routes that strike a balance between challenge and accessibility. The Matapaja Viaduct – Beautiful gravel section loop from El Tomillar is a moderate option, covering about 25 km with over 380 meters of elevation gain, offering a rewarding experience without being overly strenuous.
The komoot community rates the area highly, with an average score of 2.5 stars. Riders often praise the tranquility of the routes, the stunning natural beauty of the Valle del Lozoya, and the opportunity to immerse themselves in the Sierra de Guadarrama's diverse landscapes away from vehicle traffic.
Many of the no-traffic gravel routes are designed to showcase the reservoir. You'll often find yourself riding alongside its shores or climbing to viewpoints that offer panoramic vistas of the water body nestled within the mountains. The reservoir itself is a central feature of the cycling experience.
Yes, several routes incorporate views of or pass near Buitrago del Lozoya, allowing you to appreciate its historical charm. The Matafrailes Bridge – View of Buitrago del Lozoya loop from El Tomillar is one such route, offering glimpses of this picturesque town.


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