4.8
(31)
1,291
riders
69
rides
No traffic touring cycling routes around Puentes Viejas are set within the Sierra Norte of Madrid, characterized by its mountainous terrain and green valleys. The region's centerpiece is the serene Embalse de Puentes Viejas reservoir, offering a tranquil setting for cycling. Part of the larger Sierra de Guadarrama National Park, the area features diverse landscapes including pine, ash, and Montpellier maple trees along the Lozoya River. These physical features provide varied backdrops for cycling, from reservoir loops to routes through…
Last updated: May 21, 2026
5.0
(3)
129
riders
55.2km
04:00
1,150m
1,160m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
21
riders
59.7km
05:35
1,220m
1,220m
Hard bike ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride.

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5.0
(1)
57
riders
69.1km
05:01
1,340m
1,340m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
45
riders
43.4km
03:57
600m
600m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
30
riders
46.8km
03:44
890m
890m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Puentes Viejas
Prádena del Rincón is a charming village located in the Sierra Norte of Madrid, founded between the 11th and 12th centuries and historically linked to livestock farming. Strolling through its streets reveals traditional architecture surrounded by nature. Its monuments include the Romanesque-Mudejar church of Santo Domingo de Silos. The tranquility of the area and its rural trails invite you to a peaceful and contemplative getaway in the heart of the Sierra del Rincón. This is ideal for those seeking a genuine connection with nature and rural history, far from the hustle and bustle, with routes that allow you to explore ancient transhumance trails and enjoy the area's biodiversity.
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nice easy route, to repeat!
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Beautiful views of the Lozoya reservoir
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The Puentes Viejas reservoir is located in the middle course of the Lozoya River, in the Sierra Norte (Madrid). It belongs to the Canal de Isabel II reservoir network and is the third reservoir in the direction of the current that the river passes through.
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Built in 1972 and belonging to the Isabel II canal, the El Atazar reservoir is the largest in Madrid, housing 46% of the community's impounded water. Located in a rugged enclave full of slate, the landscape that surrounds the reservoir and that is born from its waters is spectacular, giving way to monumental natural routes and walks through its surrounding historic towns.
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There are over 70 no-traffic touring cycling routes available in the Puentes Viejas area. These routes offer a variety of experiences, from challenging mountain rides to more serene paths around the reservoirs.
Most of the no-traffic touring cycling routes in Puentes Viejas are considered challenging, with 57 routes rated as difficult and 14 as moderate. There is also 1 easy route available. The region, being part of the Sierra de Guadarrama, often features significant elevation changes and varied terrain, making for a rewarding experience for experienced cyclists.
Yes, several routes offer circular loops, allowing you to start and end in the same location. For example, you could try the challenging Sierra del Rincón – circular by Puebla de la Sierra desde Manjirón, which covers over 55 km with significant elevation gain. Another option is the Embalse del Atazar – complete loop from El Berrueco – gravel, offering a 59 km ride around the reservoir.
The routes in Puentes Viejas offer stunning views of the region's natural beauty. You'll encounter several reservoirs, including the El Villar Reservoir and Gorge and the expansive El Atazar Reservoir. The area is also home to the Bosque de las Gariñas and the historic Puentes Viejas Dam. Many routes provide panoramic vistas, such as the View of El Atazar Reservoir, set against the backdrop of the Sierra de Guadarrama.
While many routes are rated moderate to difficult, there is 1 easy route available, which might be suitable for families. The broader Sierra de Guadarrama region and the Community of Madrid are developing 'Greenways' (Vías Verdes) on converted railway lines, which are typically flat and traffic-free, ideal for family cycling. These offer a gentler experience away from main roads.
The spring and autumn months generally offer the most pleasant conditions for touring cycling in Puentes Viejas, with milder temperatures and beautiful scenery. Summer can be hot, especially in the middle of the day, while winter may bring colder temperatures and occasional snow at higher elevations within the Sierra de Guadarrama.
Yes, the towns and villages surrounding the Puentes Viejas area, such as Buitrago del Lozoya, offer various amenities including cafes, restaurants, and accommodation options. These can serve as convenient starting points or rest stops for your cycling tours, allowing you to refuel and relax.
The area is highly rated by the komoot community, with an average score of 4.75 out of 5 stars from 31 ratings. Reviewers often praise the quiet, traffic-free nature of the routes, the stunning reservoir views, and the challenging yet rewarding climbs through the Sierra Norte de Madrid.
Yes, the reservoirs are a central feature of the region. You can explore routes like the El Villar Reservoir and Gorge – Puerto de la Puebla loop from Lozoyuela, which offers a substantial 69 km ride. Another option is the Views of the Lozoya River – El Atazar Reservoir loop from El Berrueco, a 43 km route providing scenic vistas of the water.
Public transport options to the Puentes Viejas region from Madrid are available, primarily by bus. However, policies regarding transporting bicycles on buses can vary. It's advisable to check with the specific bus operator in advance for their bike carriage rules and any potential restrictions or additional fees.
Generally, no specific permits are required for cycling on established routes and trails in the Sierra Norte de Madrid. However, if your route ventures into sensitive areas or specific zones within the Sierra de Guadarrama National Park, it's always recommended to check the park's official regulations for any potential restrictions or permit requirements, especially for off-road or less-trafficked paths.
The Sierra de Guadarrama National Park, which encompasses parts of this region, is rich in biodiversity. Cyclists might spot various bird species, including raptors like golden eagles. Deer and other mammals are also present. The natural environment along the Lozoya River, with its pine, ash, and Montpellier maple trees, provides habitats for diverse flora and fauna, offering a chance to observe nature in a tranquil setting.


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