Best lakes around Garganta De Los Montes are situated within the Sierra de Guadarrama, Madrid, offering access to several significant reservoirs. This region is characterized by its natural beauty and provides various recreational opportunities centered around its water bodies. The landscape features mountains and natural environments, contributing to its ecological value.
Last updated: May 7, 2026
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beautiful walking area with beautiful views
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Wonderful views and surroundings
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The Senda de las Gariñas is a circular path 6.5 km long. The route crosses part of the forest mass known as the Gariñas forest and reaches the Puentes Viejas reservoir, where we find the riverside landscape. The forest is made up mostly of resin pine, although as we approach the banks of the reservoir we also find ash trees and Montpellier maples.
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The Puentes Viejas reservoir is located in the middle course of the Lozoya River, in the Sierra Norte (Madrid). It belongs to the Canal de Isabel II reservoir network and is the third reservoir in the direction of the current that the river passes through.
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The Pinilla reservoir is located in the upper reaches of the Lozoya River, in the north of the Community of Madrid (Spain). Located in the heart of the Sierra de Guadarrama, it has been the head reservoir of the basin since the moment it was inaugurated in 1967. It is part of the Canal de Isabel II network, a company that supplies drinking water to the capital of Spain and a good part of of the Community of Madrid.
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Forest mass known as the Gariñas forest and reaches the Puentes Viejas reservoir, where we find the riverside landscape. The forest is made up mostly of resin pine, although as we approach the banks of the reservoir we also find ash trees and Montpellier maples.
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On the banks of the Lozoya River at the beginning of the El Atazar reservoir we find this forest populated with pine, ash and Montpellier maple. Leafy, it creates a cozy natural intimacy that collects us in its bed as we pass through its paths.
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Built in 1972 and belonging to the Isabel II canal, the El Atazar reservoir is the largest in Madrid, housing 46% of the community's impounded water. Located in a rugged enclave full of slate, the landscape that surrounds the reservoir and that is born from its waters is spectacular, giving way to monumental natural routes and walks through its surrounding historic towns.
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The region is rich in natural beauty, featuring mountains, gorges, and diverse flora. You'll find impressive dams like the one at El Villar Reservoir and Gorge, rugged landscapes around El Atazar Reservoir, and serene forests such as the Bosque de las Gariñas near Puentes Viejas Reservoir.
Yes, the area offers numerous hiking opportunities. The Pinilla Reservoir Viewpoint is a starting point for a beautiful 16-kilometer circular route around the reservoir. You can also find natural routes and walks around El Atazar Reservoir. For more options, explore the Mountain Hikes around Garganta De Los Montes guide.
Many lakes in the area are family-friendly. The Embalse de Riosequillo features Spain's largest natural swimming pool with adapted facilities, green spaces, and playgrounds. The circular route around the Pinilla Reservoir is also a quiet and easy walk suitable for families.
Yes, the Embalse de Riosequillo is well-known for its large natural swimming pool, which is open to the public and ideal for cooling off during summer. Other reservoirs are primarily for water supply, so designated swimming areas are limited.
The region has historical significance, particularly concerning its water infrastructure. The El Villar Reservoir and Gorge features one of the oldest working dams in the region. Near the Embalse de Pinilla, you can visit the Valle de los Neandertales, an archaeological site that offers guided tours.
The area provides excellent cycling opportunities. The path along the shore of the Pinilla Reservoir is very pleasant with no significant elevation changes. You can find various routes, including those around the reservoirs, by checking the Cycling around Garganta De Los Montes guide.
Generally, dogs are welcome on many trails around the lakes, but it's important to keep them on a leash, especially in protected natural areas like parts of the Sierra de Guadarrama National Park, to protect wildlife and ensure safety for all visitors. Always check local signage for specific regulations.
Spring and autumn are ideal for visiting, offering pleasant temperatures for hiking and outdoor activities, and showcasing the region's natural beauty with vibrant foliage or blooming wildflowers. Summer is popular for water activities, especially at Embalse de Riosequillo, but can be hot. Winter offers a different, tranquil experience, though some facilities might have reduced hours.
The recreational area at Embalse de Riosequillo is adapted for people with disabilities, featuring ramps and accessible changing rooms, making it a good option for wheelchair users. For other areas, paths can vary, so it's advisable to check specific trail conditions.
Fishing is a popular activity in some reservoirs, such as Embalse de Riosequillo, where species like barbels, bogas, carp, and carplings can be found. A daily authorization or permit is typically required for fishing, so it's best to inquire locally or with relevant authorities before planning your trip.
The El Atazar Reservoir is the largest in Madrid, holding 46% of the region's impounded water. The Embalse de Riosequillo is also significant, with a dam over a kilometer long and a capacity to store 50 cubic hectometers of water.
The Pinilla Reservoir Viewpoint offers stunning panoramic views of the Pinilla reservoir and the town of Lozoya. Additionally, the dam at El Villar Reservoir and Gorge provides spectacular vistas, and the Puentes Viejas Dam is also known for its very nice panoramic views.


Still not found your perfect lake around Garganta De Los Montes? Check out the guides of these regions to see even more beautiful places.