Best lakes around Pantano de Valmayor refers to the Pantano de Valmayor itself, a significant reservoir in the Community of Madrid. It is the second-largest reservoir by water storage capacity in the region, covering approximately 755 hectares and stretching for 12 kilometers. Situated in the Guadarrama basin, this area offers diverse ecosystems supporting various wildlife, making it a notable location for outdoor activities such as hiking, cycling, and water sports. The reservoir's natural landscape and engineering features provide a range…
Last updated: July 12, 2026
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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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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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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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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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Pantano de Valmayor, a large reservoir, offers several notable points. You can visit the impressive Valmayor Reservoir itself, or explore the Valmayor Reservoir Dam which provides wonderful views of the Sierra de Madrid. Another unique feature is the Stone slab above the Valmayor reservoir, a high granite slab that can be a challenging but rewarding part of a route when water levels are high. The Arroyos and Valmayor Trail is also a popular spot for scenic walks.
The area around Pantano de Valmayor is excellent for various outdoor activities. You can enjoy water sports like sailing, canoeing, rowing, windsurfing, and paddle surfing. Fishing is also popular, especially for carp, perch, and pike. For land-based activities, there are numerous routes for hiking, cycling, and horseback riding. You can find detailed hiking routes in the Hiking around Pantano de Valmayor guide, and road cycling options in the Road Cycling Routes around Pantano de Valmayor guide.
Yes, Pantano de Valmayor offers several family-friendly options. Many trails around the reservoir, such as parts of the Arroyos and Valmayor Trail, are suitable for families. There are also recreational areas, like La Ermita in Colmenarejo, perfect for picnics and enjoying the natural scenery. Easy hiking routes are available, such as the 'Valmayor Reservoir – Valmayor Reservoir loop from Dehesa de las Latas' or 'Valmayor Hermitage loop from La Pizarrera', both found in the Hiking around Pantano de Valmayor guide.
Pantano de Valmayor is an ecologically rich area, making it ideal for birdwatching. You can spot various aquatic birds like grebes, herons, and teals. The surrounding forests, including willow, poplar, ash, and holm oak, also support diverse wildlife, including reptiles, amphibians, and fish such as carp and pike in the reservoir itself.
The area around Pantano de Valmayor can be enjoyed throughout the year. The Arroyos and Valmayor Trail, for instance, is described as fun and beautiful to do at any time. Spring and autumn generally offer pleasant temperatures for hiking and cycling, while summer is ideal for water sports. Winter walks can also be very scenic.
Yes, beyond the natural beauty, you can explore cultural and historical sites. Visitors have the option to tour the hydroelectric power station to learn about the reservoir's history. Additionally, the renowned Royal Monastery and Palace of El Escorial, a UNESCO-listed site, is located nearby, offering significant historical and cultural exploration.
Yes, there are several accessible and beginner-friendly routes. For instance, the 'Valmayor Reservoir – Valmayor Reservoir loop from Dehesa de las Latas' and the 'Valmayor Hermitage loop from La Pizarrera' are both rated as easy hikes. The Arroyos and Valmayor Trail is also noted as affordable and beautiful, suitable for cyclists of all levels. You can find more easy and moderate options in the Hiking around Pantano de Valmayor guide.
While specific regulations for dogs vary, many outdoor areas around Pantano de Valmayor are generally dog-friendly, especially for hiking. It's always recommended to keep dogs on a leash and clean up after them to preserve the natural environment and respect other visitors.
The Valmayor Reservoir Dam offers excellent panoramic views of the Sierra de Madrid, including Los Siete Picos and La Bola del Mundo, as well as the vast expanse of the reservoir itself. Many trails around the reservoir also provide scenic vistas, particularly those that run along its banks.
Pantano de Valmayor is situated near several municipalities, including Valdemorillo, El Escorial, Colmenarejo, and Galapagar. These towns offer various amenities such as cafes, restaurants, and accommodation options. Colmenarejo, for example, has recreational areas like La Ermita, which are good spots for picnics.
Fishing is a popular activity at Pantano de Valmayor, particularly for carp, perch, and pike. Permitted fishing spots are mainly located near the dam. It is advisable to check local regulations and obtain any necessary permits before fishing.


Still not found your perfect lake around Pantano de Valmayor? Check out the guides of these regions to see even more beautiful places.