3.9
(8)
245
riders
28
rides
Gravel biking around Bustarviejo offers diverse landscapes within the Northern Sierra of Madrid, at the foot of the Sierra de Guadarrama. The region features picturesque mountains, rocky outcrops, and varied altitudes, providing both challenging climbs and scenic routes. Riders can expect a mix of terrains, from dirt tracks and firebreaks to rocky paths, ideal for gravel bikes. The area also includes beautiful forests with birch and pine trees, as well as several springs and the nearby Pedrezuela Reservoir.
Last updated: May 11, 2026
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.
5.0
(1)
13
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4
riders
23.0km
02:17
470m
470m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
8
riders
60.8km
05:15
1,480m
1,480m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3
riders
19.9km
01:46
340m
340m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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The view of La Maliciosa from the bridge is spectacular. A short break before starting the climb to Alto del Enebrillo.
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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%.
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Reservoir located in the beautiful town of Manzanares el Real.
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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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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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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.
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Bustarviejo, located in the Sierra de Guadarrama, offers a diverse mix of terrains ideal for gravel biking. You'll encounter everything from dirt tracks and firebreaks to rocky paths. The region features picturesque mountains, rocky outcrops, and varied altitudes, providing both challenging climbs and scenic routes through beautiful forests with birch, yew, pine, and holly trees.
While many routes in Bustarviejo are rated as difficult, there are also moderate options available. The region's diverse trail network means that with careful planning, you can find paths that are less demanding. For example, the gentle slopes of the Canencia Pass are known to be pleasant for cyclists, offering a potentially more accessible experience.
Gravel biking around Bustarviejo offers numerous natural highlights and panoramic viewpoints. You can ride past the tranquil Pedrezuela Reservoir, explore the beautiful Mojonavalle Forest, or even visit the stunning Purgatory Waterfall. From elevated points like the San Blas Hermitage, you can enjoy expansive views of iconic landmarks such as La Pedriza and the Santillana reservoir.
Yes, you can incorporate visits to several historical and cultural sites into your gravel rides. These include the Parish Church of La Purísima Concepción, historic silver mines like La Torre del Indiano, and the Hermitage of San Blas. The Monastery of El Paular is also a notable attraction in the wider region.
The region is beautiful throughout the year, but autumn is particularly vibrant when the forests, such as the Canencia Birch Forest, display stunning colors. Spring also offers pleasant temperatures and lush landscapes. Given the varied terrain and potential for challenging climbs, avoiding the peak heat of summer or the colder, potentially icy conditions of deep winter might be preferable for many riders.
There are over 35 gravel bike trails available around Bustarviejo on komoot. These routes cater to various skill levels, with 9 moderate and 27 difficult options, ensuring a diverse riding experience for all.
The gravel routes in Bustarviejo are highly rated by the komoot community, with an average score of 3.9 stars from over 9 reviews. More than 260 gravel bikers have used komoot to explore the varied terrain, often praising the challenging climbs, scenic views, and the diverse mix of dirt tracks and rocky paths.
Yes, many of the gravel routes in the area are designed as loops, allowing you to start and finish in the same location. An example is the challenging Matafrailes Bridge – View of Lozoya Reservoir loop from La Cabrera, which offers expansive views over 84 kilometers.
Bustarviejo is a village with traditional architecture, and parking is generally available within or near the village center. For specific routes starting from nearby towns, such as La Cabrera or Miraflores de la Sierra, designated parking areas are typically available, often near the starting points of popular trails. It's advisable to check local signage upon arrival.
Bustarviejo is located just an hour's drive from Madrid, and public transport options, primarily bus services, connect the village to the capital and surrounding areas. While bringing a bike on public transport can sometimes have restrictions, it is often feasible, especially on regional bus lines. Checking the specific bus company's policy on bicycle transport is recommended.
Absolutely. The region's rich hydrography means many routes incorporate water features. For instance, the challenging Views of the Lozoya River – El Villar Reservoir Dam loop from La Cabrera winds along the Lozoya River and past the El Villar Reservoir Dam, showcasing varied natural scenery. Another option is the Manzanares el Real Castle – Santillana Reservoir loop from Miraflores de la Sierra, offering views of the Santillana Reservoir.
For experienced gravel bikers seeking a challenge, Bustarviejo offers several demanding routes. The Matafrailes Bridge – View of Lozoya Reservoir loop from La Cabrera is a difficult 84 km trail with significant elevation gain. Another substantial option is the Manzanares el Real Castle – Santillana Reservoir loop from Miraflores de la Sierra, which covers nearly 79 km with over 1400 meters of ascent.


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