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Lozoya Somosierra

Puentes Viejas

The best road cycling routes around Puentes Viejas

4.6

(54)

8,086

riders

67

rides

Road cycling around Puentes Viejas, located within the Sierra de Guadarrama, offers diverse landscapes characterized by mountainous terrain and significant water features. The region features challenging ascents and descents on paved roads, providing varied routes for cyclists. Expansive reservoirs like Embalse de Puentes Viejas and Embalse de El Atazar define many routes, offering picturesque sections along their shores. Cyclists can expect a mix of climbs and scenic views across the Lozoya Valley and surrounding peaks.

Best road cycling routes around…

Last updated: October 28, 2026

4.8

(5)

419

riders

#1.

Sierra de la Puebla Loop

72.5km

04:08

1,480m

1,480m

Tackle the difficult Sierra de la Puebla Loop, a 45.1-mile road cycling route with 4840 feet of elevation gain through scenic mountains.
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Hard

Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride.

Hard
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Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

Hard

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

Moderate

8

riders

Easy road ride. Mostly well-paved surfaces and easy to ride.

Easy
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Tips from the Community

Mario
August 9, 2026, Puerto de la Puebla

A very pleasant pass to climb up the Puebla de la Sierra side. To do this, you have to access it from Robledillo, with very steep ramps to warm up, and a few kilometers on a narrow and bumpy road. The views and the route are totally worth it. Avoid weekends, especially busy hours, as motorcycles, and especially cars, can spoil the party a bit, as I say, the road is very narrow. There is a fountain at the lowest point between Robledillo and Puebla, and another one when leaving Puebla de la Sierra. They are the only two points where you will be able to fill your bottles "for free".

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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 **Centennial Yew of Canencia** is a unique tree of great botanical and landscape value in the Sierra de Guadarrama, in the Community of Madrid. It is not just a specimen, but part of a small population of yews that has survived in an exceptional setting, the Canencia Birch Forest. ### Characteristics and Location * **Species:** *Taxus baccata* (common yew). * **Age:** The most notable specimen is estimated to be between **400 and 500 years old**. Its longevity is one of the most fascinating characteristics of this species. * **Dimensions:** It has a trunk of considerable girth (around 4.10 meters) and a wide crown about 15 meters in diameter, which demonstrates its advanced age and health. * **Location:** It is located in the **Canencia Birch Forest** area, very close to the Canencia Pass. It is often included in the popular hiking trail known as "The Birch Forest Path" or the "Mojonavalle Waterfall Path." It is located near the Sestil del Maíllo stream. * **Environment:** The yew coexists with other unique species such as birch, holly, and Scots pines. This humid and protected microclimate has allowed the survival of these trees, which are relics of colder, wetter times. ### Importance and Uniqueness * **Botanical Value:** Yews are extremely slow-growing trees and are considered almost immortal. In Spain, they are a protected species, and finding such ancient specimens is a rarity. * **Landscape Value:** The Canencia yew stands out for its majestic appearance in the midst of a very picturesque forest, attracting numerous hikers and nature lovers. * **History and legend:** Like many ancient yew trees, it is steeped in legend. In many European cultures, they were considered sacred trees for their longevity and the toxicity of their parts (except for the pulp of their fruit). ### Access and routes To visit the yew, the most common route is the **Birch Forest Path**, which starts from the Canencia Pass itself. The path is signposted. You walk along a forest track to a detour that leads directly to the Chorrera de Mojonavalle, and a little further on, you will find the yew tree. Despite its age, the tree is increasingly visible and accessible, but it is essential to be respectful and not damage its surroundings to preserve this natural monument.

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Fountain that you will find in the Puerto de Canencia.

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Fresh water spring. Great source to fill up your bidons.

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Hector
April 27, 2025, Puerto de Canencia

Port suitable for beginners who want to get in shape

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Hector
April 27, 2025, Fuente de Junte

Very cool water

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nice easy route, to repeat!

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Frequently Asked Questions

How many road cycling routes are available around Puentes Viejas?

There are over 60 dedicated road cycling routes around Puentes Viejas, offering a wide range of options for different skill levels. These routes are highly rated by the komoot community, with an average score of 4.7 stars.

What is the general terrain and elevation like for road cycling in Puentes Viejas?

Road cycling in Puentes Viejas is characterized by its mountainous terrain within the Sierra de Guadarrama, featuring both challenging ascents and descents on paved roads. You'll encounter significant elevation changes, with routes often winding through valleys and over passes, offering exhilarating rides and panoramic vistas. The area also includes picturesque sections along expansive reservoirs, which can provide flatter or gently rolling terrain.

Are there any road cycling routes that specifically explore the reservoirs in Puentes Viejas?

Yes, the region is defined by its significant reservoirs, such as Embalse de Puentes Viejas, Embalse de El Villar, and Embalse de El Atazar. Many routes are designed to wind along their shores, offering beautiful water views and varied terrain. For example, the El Villar Reservoir and Gorge – Ascent to Puerto de La Puebla loop from Prádena del Rincón is a popular option that showcases reservoir landscapes.

What kind of natural features can I expect to see while cycling in Puentes Viejas?

Beyond the stunning reservoirs, you'll cycle through diverse natural landscapes. The Sierra de Guadarrama provides dramatic mountainous backdrops, while the routes often pass through areas with grasslands, jaral scrub, and oak forests. Keep an eye out for impressive viewpoints like the Mirador de Puentes Viejas, which offers spectacular views of the El Atazar reservoir and surrounding peaks.

Are there any notable landmarks or attractions along the road cycling routes?

Absolutely. The region is rich in both natural and historical landmarks. You can encounter significant hydraulic heritage, such as the Presa de Puentes Viejas. Natural highlights include the El Villar Reservoir and Gorge and the expansive El Atazar Reservoir. Cyclists might also pass through charming villages with traditional architecture and even historical elements like Civil War bunkers.

What is the best time of year for road cycling in Puentes Viejas?

The Sierra de Guadarrama region, including Puentes Viejas, generally offers excellent cycling conditions during spring and autumn when temperatures are milder. Summer can be warm, especially at lower elevations, but higher mountain passes offer cooler air. Winter can bring colder temperatures and potential snow at higher altitudes, making some routes more challenging or inaccessible.

Are there family-friendly road cycling routes in Puentes Viejas?

While many routes in Puentes Viejas feature significant elevation changes, there are some easier options suitable for families or those seeking a less strenuous ride. These often involve flatter sections around the reservoirs or through less mountainous terrain. It's always recommended to check the route's difficulty and elevation profile before setting out with family.

Where can I find parking for road cycling routes in Puentes Viejas?

Parking is generally available in the villages that serve as starting points for many routes, such as Mangirón, Paredes de Buitrago, or near the larger reservoirs. It's advisable to check specific starting points for designated parking areas, especially around popular spots like the Embalse de Puentes Viejas or Embalse de El Atazar, to ensure convenient access.

Is it possible to access Puentes Viejas cycling routes using public transport?

Yes, public transport options, primarily bus services, connect Madrid with towns in the Sierra Norte region, including those near Puentes Viejas. However, carrying bicycles on public transport can sometimes be restricted or require specific conditions, so it's recommended to check with the local transport provider for their current policies regarding bike carriage before planning your trip.

What are some challenging road cycling routes for experienced cyclists?

Experienced cyclists will find plenty of challenging routes with significant climbs and descents. The Sierra de la Puebla Loop, for instance, is a difficult 45-mile route with substantial elevation gain. Another demanding option is the Montejo de la Sierra – El Villar Reservoir and Gorge loop from Lozoyuela, which covers nearly 100 km and features over 1800 meters of ascent.

Can I find circular road cycling routes in the Puentes Viejas area?

Yes, many of the road cycling routes in Puentes Viejas are designed as circular loops, allowing you to start and finish in the same location. A popular example is the Berzosa de Lozoya, Puebla de la Sierra, Paredes de Buitrago – circular route, which offers scenic views while passing through several villages.

Are there any cafes or pubs near the cycling routes in Puentes Viejas?

The villages within the Puentes Viejas municipality, such as Mangirón, Paredes de Buitrago, and Serrada de la Fuente, offer local cafes and pubs where cyclists can stop for refreshments. These establishments provide a chance to experience the rural charm of the area and refuel during your ride.

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