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Spain
Madrid
Lozoya Somosierra

Embalse de Río Sequillo

The best road cycling routes around Embalse de Río Sequillo

4.6

(32)

4,731

riders

42

rides

Road cycling around Embalse de Río Sequillo is set within the Sierra de Guadarrama, offering a mountainous backdrop with diverse terrain. The region features challenging mountain passes, such as Puerto de la Puebla and Cotos Pass, known for significant elevation gains. Cyclists can expect a mix of dense forests, open lowlands, and expansive meadows, with good road conditions throughout. The area provides panoramic views of reservoirs and the surrounding peaks, making it a compelling destination for road cycling enthusiasts.

Best…

Last updated: July 5, 2026

5.0

(5)

919

riders

#1.

Buitrago de Lozolla, Puebla de la Sierra, Horcajo de la Sierra – circular route

95.9km

05:21

1,850m

1,860m

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

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Hard

5.0

(1)

536

riders

66.6km

03:39

1,280m

1,280m

Tackle the difficult Puerto de la Puebla Loop, a 41.4-mile road cycling route with 4195 feet of elevation gain and dramatic views.

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

Moderate

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
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Tips from the Community

JavierCR 🇪🇸
November 23, 2025, Castillo de Buitrago del Lozoya y Murallas

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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Beautiful walled town located in the mountains north of Madrid.

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start of the route to the peak of the snowfield

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Natural passage between Madrid and Segovia in La Sierra de Guadarrama. Nature in vein!

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The Port of Navafría is one of the entrances to the famous Horizontal runway that connects this port with the historic port of Somosierra. The Port of Navafría is located between the municipalities of Lozoya and Navafría. With its 1,773 meters above sea level, it is considered a first-class port in the “Cycling Tour of Spain”. This natural area is made up of a lush oak forest in the lower part and a beautiful pine forest in the upper part.

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Beautiful town in La Sierra de Madrid with extraordinary landscapes. We recommend this town and its surroundings to isolate yourself from the world.

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The cycling breakfast is totally recommended!

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Accommodation in the Sierra Norte of Madrid, an idyllic environment for active tourism and cycling tourism. With spa, gym, restaurant, terrace. Ideal for a coffee stop or to spend the night during a bike trip.

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Frequently Asked Questions

How many road cycling routes are available around Embalse de Río Sequillo?

There are over 45 road cycling routes around Embalse de Río Sequillo, offering a wide range of options for different skill levels. The komoot community has explored these routes over 4500 times.

What kind of terrain and difficulty can I expect on road cycling routes in this region?

The region is set within the Sierra de Guadarrama, featuring a mountainous backdrop. You can expect diverse terrain, from dense forests and open lowlands to expansive meadows. Many routes include challenging mountain passes like Puerto de la Puebla and Cotos Pass, known for significant elevation gains. While there are 4 easy routes, the majority are moderate (22) or difficult (19), offering demanding ascents and exhilarating descents.

Are there any circular road cycling routes around Embalse de Río Sequillo?

Yes, many routes in the area are circular. For example, the popular Buitrago de Lozolla, Puebla de la Sierra, Horcajo de la Sierra – circular route is a challenging 95.9 km loop. Another option is the Navafría Pass – Buitrago de Lozoya loop from Buitrago del Lozoya, covering 68.4 km.

What are some notable landmarks or scenic viewpoints along the road cycling routes?

The routes consistently offer spectacular panoramic views of the reservoirs and the mountainous terrain of the Sierra de Guadarrama. You'll encounter diverse landscapes, from pine and oak forests to ash and holm oak trees. Historic towns like Buitrago del Lozoya, with its well-preserved medieval walls, also provide cultural points of interest to explore during your ride.

What is the best time of year for road cycling around Embalse de Río Sequillo?

The Sierra de Guadarrama region offers good road conditions throughout much of the year. However, given the presence of mountain passes and significant elevation, spring and autumn generally provide the most pleasant temperatures for challenging climbs. Summer can be warm, especially at lower elevations, while winter may bring colder temperatures and potential snow at higher passes.

Are there any family-friendly road cycling options in the area?

While many routes feature challenging climbs, there are 4 routes classified as easy, which might be more suitable for families or those looking for a less strenuous ride. These routes often follow flatter sections or less demanding terrain, allowing for a more relaxed experience.

Is it possible to find cafes or other amenities along the road cycling routes?

Yes, the region includes historic towns like Buitrago del Lozoya and other villages within the Lozoya Valley. These towns often have cafes, restaurants, and other amenities where cyclists can refuel and rest. Planning your route to pass through these settlements can enhance your cycling experience.

What do other road cyclists enjoy most about road cycling in Embalse de Río Sequillo?

The area is highly rated by the komoot community, with an average score of 4.6 stars from over 29 reviews. Reviewers often praise the challenging mountain passes, the diverse and scenic landscapes, and the panoramic views of the reservoirs and surrounding peaks. The good road conditions are also frequently highlighted.

Are there any permits required for road cycling in the Sierra de Guadarrama?

Generally, no specific permits are required for road cycling on public roads in the Sierra de Guadarrama. However, it's always advisable to respect local regulations, especially if you venture into protected natural park areas, and to stay on designated routes.

Where can I park my car when starting a road cycling route near Embalse de Río Sequillo?

Parking is typically available in the towns and villages surrounding Embalse de Río Sequillo, such as Buitrago del Lozoya. Many routes start from these locations, offering convenient access to parking facilities. It's recommended to check specific starting points for available parking options.

Can I reach the road cycling routes using public transport?

Yes, towns like Buitrago del Lozoya are accessible by public transport, primarily buses from Madrid. Some routes, such as the Plaza de España, Rascafría – Cotos Pass loop from Estación Gargantilla-Lozoya, even start near train stations or bus stops, making it feasible to reach the area without a car.

Are there any less crowded road cycling routes available?

While popular passes like Puerto de la Puebla and Cotos Pass are frequented by cyclists, the extensive network of roads in the Sierra de Guadarrama offers many options. Exploring routes that venture slightly off the most well-known climbs or riding during off-peak hours can lead to a more tranquil experience.

Most popular routes around Embalse de Río Sequillo

Traffic-free bike rides around Embalse de Río Sequillo

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