4.0
(9)
227
riders
19
rides
Gravel biking around Puentes Viejas offers diverse landscapes characterized by significant hydraulic heritage and mountainous terrain. The region features a network of gravel bike trails that traverse areas around the Puentes Viejas, El Villar, and El Atazar reservoirs, which are fed by the Lozoya River. Terrain often includes a mix of paved surfaces and gravel, providing varied experiences for cyclists. The broader Madrid region, including the Sierra Norte de Guadarrama, contributes to extensive gravel biking opportunities with both challenging climbs…
Last updated: July 8, 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.
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.

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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.
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.
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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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.
3
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Beautiful place and beautiful river, with water, as it was flowing today.
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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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Stone bridge that crosses the Lozoya River near its passage through the Pinilla reservoir.
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Viewpoint with wonderful views
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Congos Bridge over the Lozoya River, hearing the water flow, nothing more
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Puentes Viejas offers a wide selection of gravel biking routes, with over 20 trails available. These routes cater to various skill levels, ranging from moderate to difficult, ensuring a suitable option for most gravel cyclists.
The terrain in Puentes Viejas is diverse, featuring a mix of paved surfaces and gravel tracks. You'll encounter varied landscapes, including areas around the Puentes Viejas, El Villar, and El Atazar reservoirs, as well as mountainous sections. This combination provides an engaging experience with both challenging climbs and serene tracks.
The region's climate generally allows for gravel biking throughout much of the year. Spring and autumn offer pleasant temperatures and vibrant scenery, making them ideal. Summer can be warm, especially at midday, so early morning or late afternoon rides are recommended. Winter rides are possible, but checking weather conditions for potential cold or wet spells is advisable.
While many routes in Puentes Viejas are rated as difficult, there are some moderate options available. These routes still offer the scenic beauty of the region but with less demanding elevation gains or technical sections. It's always recommended to check the route details, including distance and elevation, before heading out.
Many gravel routes in Puentes Viejas offer stunning views of the area's significant hydraulic heritage, including the Puentes Viejas, El Villar, and El Atazar reservoirs. You can also discover natural features like the El Villar Reservoir and Gorge, and enjoy panoramic vistas from viewpoints such as Views of the Lozoya River or Vultures' Viewpoint.
Yes, the Puentes Viejas area is rich in history. You can find historical sites like the 66-meter-high Puentes Viejas Dam, and the Azud del Tenebroso derivation canal, both part of Madrid's crucial hydraulic infrastructure. The municipality also includes charming towns such as Mangirón and Paredes de Buitrago, featuring churches of Mudéjar origin and the medieval Torre de Mirabel.
Yes, many of the gravel biking routes in Puentes Viejas are designed as loops, allowing you to start and finish in the same location. For example, you could explore the Views of the Lozoya River – El Villar Reservoir Dam loop from La Cabrera, which offers a challenging ride with scenic views.
While specific public transport options vary, the broader Madrid region, including areas like Sierra Norte de Guadarrama, is generally accessible. For routes starting from specific towns like Estación Gargantilla-Lozoya, such as the Plaza de España, Rascafría – La Morcuera Pass loop, checking local bus schedules from Madrid to these villages is recommended.
Parking is generally available in the towns and villages that serve as starting points for many gravel routes, such as La Cabrera or Prádena del Rincón. It's advisable to look for designated parking areas or public spaces within these localities when planning your ride.
The towns within the Puentes Viejas municipality, including Mangirón, Cincovillas, Paredes de Buitrago, and Serrada de la Fuente, offer local cafes and restaurants where you can refuel before or after your ride. These establishments provide a chance to experience local cuisine and hospitality.
While many natural areas in Spain are dog-friendly, it's important to check specific regulations for each trail or protected area. Generally, dogs should be kept on a leash, especially in areas with wildlife or livestock, and owners are responsible for cleaning up after their pets. Always respect local signage regarding pets.
For families, it's best to look for routes described as moderate or those with less significant elevation gain. While many routes in Puentes Viejas are challenging, some sections around the reservoirs or on less technical paths might be suitable for older children or families with good cycling experience. Always review the route's difficulty and length carefully.
The gravel biking routes in Puentes Viejas are highly rated by the komoot community, with an average score of 4.0 stars from over 8 reviews. Cyclists often praise the varied terrain, the stunning reservoir views, and the challenging yet rewarding climbs, such as those found on the El Villar Reservoir and Gorge – Puerto de la Puebla loop.


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