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Spain
Madrid
Area Metropolitana De Madrid

Curso Medio Del Río Guadarrama Y Su Entorno

Routes
Places to see
Lakes
Spain
Madrid
Area Metropolitana De Madrid

Curso Medio Del Río Guadarrama Y Su Entorno

Top 5 Lakes in Curso Medio Del Río Guadarrama Y Su Entorno

Best lakes in Curso Medio Del Río Guadarrama Y Su Entorno refers to the significant reservoirs and river ecosystems within this protected regional park, located west of Madrid, Spain. The area encompasses the Guadarrama River, its main tributary the Aulencia River, and several reservoirs. This region offers diverse natural landscapes and recreational opportunities, characterized by river valleys, woodlands, and Mediterranean vegetation. It serves as a vital corridor for flora and fauna, providing a natural escape from urban environments.

Best lakes…

Last updated: May 17, 2026

Valmayor Reservoir

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Actually the one you see in the photos is the dam of the streams. Valmayor's is the one below

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Valmayor Reservoir Trails

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If the swamp is low, it is a joy to take advantage of the paths that it leaves open.
However, there is an area of twisty roads before reaching the …

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Molino de la Hoz Reservoir

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Nice views of the La Hoz Reservoir, from the dam, and from the bridge that crosses it from the La Hoz Urbanization.

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Aulencia Dam

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The Aulencia dam was built in 1945, it is also known as Presa Vieja or Valmenor reservoir. The hydraulic utility of the reservoir ceased to be operational in 1975, when the imposing Valmayor reservoir was built.

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Views of Valmayor Reservoir

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Charming place to enjoy the tranquility of the reservoir. At certain times of the year there are concentrations of aquatic birds that rest on their migratory journeys.

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Popular around Curso Medio Del Río Guadarrama Y Su Entorno

Sierras, countryside, reservoirs and history – Tour of Madrid gravel

Road Cycling Routes in Curso Medio Del Río Guadarrama Y Su Entorno

Cycling in Curso Medio Del Río Guadarrama Y Su Entorno

Hiking in Curso Medio Del Río Guadarrama Y Su Entorno

Running Trails in Curso Medio Del Río Guadarrama Y Su Entorno

MTB Trails in Curso Medio Del Río Guadarrama Y Su Entorno

Gravel biking in Curso Medio Del Río Guadarrama Y Su Entorno

Other adventures in Curso Medio Del Río Guadarrama Y Su Entorno

Sierras, countryside, reservoirs and history – Tour of Madrid gravel

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Alvaro Hernandez

Tips from the Community

Tonín
September 11, 2025, Embalse de Valmayor

Paths and cattle trails very suitable for bike rides.

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Nacho
April 26, 2025, Aulencia Dam

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Pablo
August 24, 2024, Embalse de Valmayor

The passage through the Arroyos dam is closed, we will have to go all the way around the tail of the reservoir to another small dam in ruins.

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This reservoir is merely ornamental. Even so, over time it has become a beautiful place where various specimens of aquatic birds have made their home.

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Charming place to enjoy the tranquility of the reservoir. At certain times of the year there are concentrations of aquatic birds that rest on their migratory journeys.

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Javi
October 22, 2022, Embalse de Valmayor

This is the second largest reservoir in the Community of Madrid. It was inaugurated in 1976 and this viaduct was built to replace the Puente del Tercio, which was submerged under water. The reservoir appears in the movie "Airbag".

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Juanjo Alonso Kapi
September 16, 2022, Aulencia Dam

The Aulencia dam was built in 1945, it is also known as Presa Vieja or Valmenor reservoir. The hydraulic utility of the reservoir ceased to be operational in 1975, when the imposing Valmayor reservoir was built.

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A very desirable reservoir in summer. The scenery is great, and there is plenty of shade to walk around, even on the hottest days. Always in the shade, and with the towns of Galapagar and Collado Villalba nearby.

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Frequently Asked Questions

What are the main water bodies in Curso Medio Del Río Guadarrama Y Su Entorno?

The region is characterized by significant reservoirs and river ecosystems rather than natural lakes. The most prominent are the San Juan Reservoir, Valmayor Reservoir, and the Guadarrama and Aulencia rivers. These provide diverse natural beauty and recreational opportunities.

What water activities are available in the Curso Medio Del Río Guadarrama Y Su Entorno?

The San Juan Reservoir is unique as the only reservoir in the Community of Madrid where swimming and motorized water activities are permitted. You can enjoy kayaking, paddleboarding, wakeboarding, water skiing, and boat trips. It's often referred to as 'Madrid's Beach' due to its popularity for cooling off in summer.

Are there opportunities for hiking and cycling near these water bodies?

Yes, the region offers numerous trails for both hiking and cycling. You can find well-marked paths along the riverbanks of the Guadarrama and Aulencia rivers, as well as around the reservoirs. For specific routes, explore the Hiking in Curso Medio Del Río Guadarrama Y Su Entorno or Road Cycling Routes in Curso Medio Del Río Guadarrama Y Su Entorno guides.

Which areas are best for nature observation and birdwatching?

The Valmayor Reservoir and the Guadarrama and Aulencia rivers are excellent for nature lovers. The Valmayor Reservoir is known for its variety of bird species, making it a great spot for birdwatching. The riparian habitats along the rivers also support diverse wildlife, including otters, herons, and kingfishers.

Is the Curso Medio Del Río Guadarrama Y Su Entorno suitable for families?

Absolutely. The San Juan Reservoir offers extensive 'beaches' for sunbathing and picnicking, which are very popular with families. Many of the viewpoints, like Peñarrubia Viewpoint, and areas around Molino de la Hoz Reservoir are also considered family-friendly, providing easy access and pleasant environments for all ages.

Can I go fishing in the reservoirs and rivers of this region?

Yes, fishing is a popular activity. The Valmayor Reservoir is a well-known destination for fishing, with populations of carp, pike, perch, and black bass, operating as a regulated cyprinid preserve. Fishing is also permitted in regulated spots along the Guadarrama River.

What kind of natural landscapes and features can I expect to see?

The region features gentle river valleys, extensive pine and oak forests, and Mediterranean vegetation. You'll encounter diverse ecosystems along the Guadarrama and Aulencia rivers, and enjoy impressive views of the reservoirs, dams, and the distant Gredos Mountain Range and El Escorial.

Are there any notable viewpoints in the area?

Yes, the Peñarrubia Viewpoint (also known as Roca viewpoint) offers splendid panoramic views of the Valmayor Reservoir, the Sierra de Guadarrama, and El Escorial. It's a tranquil spot ideal for a short stop.

What is the significance of the Valmayor Reservoir?

The Valmayor Reservoir is one of the largest in the Community of Madrid by stored water volume and is a key water source for the capital. It's primarily fed by the Aulencia River and offers a peaceful environment for nature observation, fishing, and hiking with views of El Escorial.

What role do the Guadarrama and Aulencia rivers play in the park?

The Guadarrama River is the ecological backbone of the regional park, providing a vital corridor for flora and fauna. The Aulencia River is its main tributary and crucial for feeding the Valmayor Reservoir. Both rivers' riparian habitats are biodiversity hotspots, offering excellent opportunities for observing diverse ecosystems and wildlife.

Are there any historical or cultural sites near the lakes?

While the focus is on natural beauty, the area around San Juan Reservoir includes attractions like the 15th-century Castillo de la Coracera in San Martín de Valdeiglesias and the botanical garden El Bosque Encantado. The Valmayor Reservoir also offers views of El Escorial, hinting at the rich history of the wider region.

What do visitors enjoy most about the water bodies in Curso Medio Del Río Guadarrama Y Su Entorno?

Visitors particularly appreciate the tranquility and natural beauty, the wide range of outdoor activities available, especially water sports at San Juan Reservoir, and the opportunities for hiking and birdwatching around Valmayor Reservoir and along the rivers. The impressive views from spots like Peñarrubia Viewpoint are also highly valued.

Most popular routes in Curso Medio Del Río Guadarrama Y Su Entorno

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Most popular attractions in Curso Medio Del Río Guadarrama Y Su Entorno

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Still not found your perfect lake in Curso Medio Del Río Guadarrama Y Su Entorno? Check out the guides of these regions to see even more beautiful places.

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