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Madrid
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Pantano de Valmayor

Attractions and Places To See around Pantano de Valmayor - Top 7

Best attractions and places to see around Pantano de Valmayor, a significant natural reserve in the province of Madrid, offers a diverse range of attractions. The area is centered around the Valmayor Reservoir, the second-largest in the Community of Madrid by water storage capacity, nestled amidst lush green forests. This region combines natural features with opportunities for various outdoor activities and cultural insights. Visitors can explore a variety of attractions, from the expansive reservoir itself to unique geological formations and scenic trails.

Best attractions and places to see around Pantano de Valmayor

  • The most popular attractions is Valmayor Reservoir, a lake that is the second largest in the province in terms of water stored. It is located in the municipality of Valdemorillo, also occupying parts of El Escorial, Colmenarejo, and Galapagar.
  • Another must-see spot is Stone slab above the Valmayor reservoir, a natural monument. This high granite slab can present a challenge for hikers and cyclists when water levels are high, requiring careful navigation.
  • Visitors also love Arroyos and Valmayor Trail, a trail that offers scenic views of the reservoir. This path is considered accessible and beautiful, suitable for various times of the year.
  • Pantano de Valmayor is known for its natural features, historical sites, and outdoor activities. Visitors can explore a variety of attractions, from the expansive reservoir itself to unique geological formations and scenic river crossings.
  • The attractions around Pantano de Valmayor are appreciated by the komoot community, with more than 190 upvotes and 30 photos shared.

Last updated: May 9, 2026

Valmayor Reservoir

Highlight • Lake

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 Dam

Highlight • Monument

Crossing the dam bridge you can see wonderful views of the Sierra de Madrid, Los Siete Picos and La Bola del Mundo. You can also see the extension of the Valmayor Reservoir.

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Depending on the time of year, and if the reservoir is more or less full, we will have to get our feet wet. It is not a major problem, but it is advisable to bring spare socks

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Stone slab above the Valmayor reservoir

Highlight • Natural Monument

High granite slab that you find when surrounding the Valmayor reservoir when the water level is high. If you do it clockwise you will have to unclimb it, it is advisable to be accompanied to be able to lower the bike safely.
If you do the route counterclockwise it will be more complicated to climb it. The slab is very smooth and has few grip points.

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Arroyos and Valmayor Trail

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Fun and beautiful path to do at any time of the year and at any time.

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Tips from the Community

Enbicia2
November 26, 2025, Losa de piedra sobre el embalse de Valmayor

On November 26, 2025, the water covered many areas that are normally passable. You had to "climb" several rocks to get around the reservoir. This section was especially tricky when descending, and even more so if you were alone.

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At the end of November 2025, the reservoir's water level was thankfully very high. The vegetation had grown considerably, and the only way across was at a point where you had to wade through the water. The water was freezing!

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Tonín
September 11, 2025, Embalse de Valmayor

Paths and cattle trails very suitable for bike rides.

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Today, February 9, after the rains, the reservoir is higher, although you can still cross without climbing the rock, with a little care you won't get wet.

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As of January 1, 2025, the water will no longer cover the path that runs under the granite stone and it can be passed through without any complications.

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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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If the reservoir flow is high, you have to walk and almost climb this rock. Easy, once you've done it.

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If there is a lot of water like this time, there is no way to pass through the dam.

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Frequently Asked Questions

What are the main natural features to explore around Pantano de Valmayor?

The centerpiece is the Valmayor Reservoir, one of the largest in the Community of Madrid. It's surrounded by lush green forests and boasts diverse ecosystems with riparian vegetation, holm oak groves, and a variety of flora. The area is also excellent for birdwatching, with many aquatic and migratory birds.

Are there any unique geological formations or viewpoints to discover?

Yes, you can find the Stone slab above the Valmayor reservoir, a notable granite slab that can be a challenging but rewarding feature for hikers and cyclists, especially when water levels are high. Additionally, the "Ruta de los Miradores" offers panoramic views of the reservoir and surrounding landscapes.

What kind of outdoor activities can I do at Pantano de Valmayor?

The reservoir is ideal for various outdoor activities. You can enjoy water sports like sailing, paddle surfing, kayaking, and rowing. Hiking and cycling are very popular, with numerous trails catering to different skill levels. Fishing is also permitted in designated areas with prior permits.

Are there family-friendly attractions or activities around the reservoir?

Absolutely. Many trails around the reservoir, such as the Arroyos and Valmayor Trail, are considered family-friendly. The reservoir itself, including the Valmayor Reservoir, offers opportunities for easy walks and enjoying nature. There are also picnic and recreational areas, like the Área Recreativa La Ermita, perfect for families.

What historical or cultural sites are located near Pantano de Valmayor?

While the reservoir itself submerged old roads and a 17th-century granite cross during its construction, you can visit the late 19th-century Ermita de Nuestra Señora de la Soledad near the reservoir, which offers a tranquil spot. The impressive Valmayor Dam, completed in 1976, is also a significant engineering feat with historical context. The UNESCO-listed Royal Monastery and Palace of El Escorial and Valle de Los Caídos are also nearby.

Are there hiking trails suitable for different difficulty levels?

Yes, the area offers a variety of hiking trails. For easy walks, you can explore routes like the Valmayor Reservoir loop from Colmenarejo or the Valmayor Hermitage loop from La Pizarrera. More challenging routes are also available, including those that navigate the granite slab when water levels are high.

Can I go cycling around Pantano de Valmayor?

Yes, cycling is a popular activity with numerous trails. You can find routes like the Albergue Ruta de Amigos – Hermitage loop from Principal - Parque Infantil or more challenging options such as the Puerto de Malagón – Fuente de la Concha loop. The trails offer scenic views of the reservoir and surrounding nature.

What should I know about the River crossing at Valmayor Reservoir?

The River crossing at Valmayor Reservoir offers a simple route with unique views of dry fallen trees. Depending on the time of year and water levels, you might need to cross a small stream, so bringing spare socks is advisable. It's a picturesque spot, especially on cloudy days.

What do visitors enjoy most about the attractions around Pantano de Valmayor?

Visitors frequently praise the natural beauty and tranquility of the area. Many appreciate the diverse trails for hiking and cycling, often highlighting the scenic views of the reservoir. The unique geological features, like the granite slab, and the opportunity for water sports also receive positive feedback from the community.

Is Pantano de Valmayor a good spot for birdwatching?

Yes, the reservoir is an excellent location for birdwatching. Its diverse ecosystems attract a wide variety of bird species, including ducks, storks, herons, cormorants, and other aquatic and migratory birds, making it a rich habitat for avian enthusiasts.

Are there any specific tips for navigating the Stone slab above the Valmayor reservoir?

When encountering the Stone slab above the Valmayor reservoir, especially if water levels are high, it can be challenging. If you are cycling clockwise, you'll need to carefully un-climb it, and it's advisable to be accompanied to safely lower your bike. If going counterclockwise, climbing it can be more difficult as the slab is smooth with few grip points.

Where can I find easy hiking routes around Pantano de Valmayor?

For easy hiking routes, you can explore the options listed in the Easy hikes around Pantano de Valmayor guide. These include loops like the Valmayor Reservoir – Valmayor Reservoir loop from Dehesa de las Latas and the Aulencia Dam loop from Prado Gómez, which are suitable for a relaxed outdoor experience.

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