Best lakes around Puentes Viejas are primarily reservoirs, forming a significant part of the Canal de Isabel II network that supplies water to Madrid. Situated in the Sierra Norte of Madrid, the area features an average altitude of 1000 meters, surrounded by pastures, oak groves, and the Sierra Norte mountains. These bodies of water and their surroundings offer natural beauty and recreational opportunities, serving as habitats for various wildlife. The region is characterized by its interconnected reservoirs, enhancing its appeal…
Last updated: July 4, 2026
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The Los Lindes Reservoir is located in the Community of Madrid, near Garganta de los Montes. It is a 20.8 km circular hiking trail that is generally considered difficult and takes approximately 5 hours and 27 minutes to complete. The reservoir is part of a route that includes Canencia, Garganta de los Montes, Ermita, and the Sardalinde Spring. The route also passes an abandoned quarry and the Sardalinde Spring.
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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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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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Built in 1972 and belonging to the Isabel II canal, the El Atazar reservoir is the largest in Madrid, representing 46% of the community's embalmed 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 historical towns.
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The lakes in Puentes Viejas, primarily reservoirs, are set amidst diverse natural landscapes. You'll find pastures, oak groves, and aromatic plant clusters, with the Sierra Norte mountains forming a stunning backdrop. Highlights include the dramatic El Villar Reservoir and Gorge, known for its deep gorge, and the leafy Bosque de las Gariñas, populated with pine, ash, and Montpellier maple, which reaches the Puentes Viejas reservoir.
Yes, the region's reservoirs have significant historical importance, primarily related to Madrid's water supply. The El Villar Reservoir and Gorge features one of Madrid's oldest civil hydrographic works still in operation. Additionally, the Puentes Viejas Dam, part of the Embalse de Puentes Viejas, is the oldest operating dam in the region, built between 1907 and 1939.
The area offers a variety of outdoor activities. You can enjoy hiking, cycling, and running along the many routes surrounding the reservoirs. Canoeing and birdwatching are also popular, especially around Embalse de Puentes Viejas and Embalse de Riosequillo. For specific routes, you can explore road cycling routes, running trails, and general cycling tours in the area.
Many of the lakes and their surrounding areas are considered family-friendly. For instance, El Villar Reservoir and Gorge and El Atazar Reservoir are both categorized as suitable for families. The serene natural environment and opportunities for walks make them ideal for family outings.
For stunning views, the El Villar Reservoir and Gorge is highly recommended, with its dam standing in the middle of a Lozoya river gorge providing an ideal viewpoint. The View of El Atazar Reservoir also offers incredible panoramic vistas, especially from the viewpoint above the dam wall.
The Embalse de Puentes Viejas and its surroundings serve as a habitat for various animals. You might spot rabbits, hares, wild boars, and roe deer. Birdwatchers can look out for royal herons and cormorants, among other species.
Yes, fishing is possible, particularly in the Embalse de Puentes Viejas, which is known for cyprinids like carp and barbel. Common and rainbow trout are also present, though less common. Fishing requires permits and is subject to local regulations.
The largest reservoir in the area, and indeed in Madrid, is El Atazar Reservoir. It holds 46% of the community's impounded water and is known for its tranquil beauty and spectacular landscapes.
Yes, there are numerous trails. For example, the Bosque de las Gariñas offers a circular path, the Senda de las Gariñas, which is 6.5 km long and crosses part of the forest reaching the Puentes Viejas reservoir. You can find more options in the running trails guide, which includes routes like the 'Gariñas Forest loop'.
Visitors appreciate the serene natural beauty and the opportunities for peaceful escapes. The panoramic views, especially from the bridges crossing the dams, are highly regarded. The leafy forests, like the Bosque de las Gariñas, provide a natural intimacy for walks, and the overall tranquility of the area is a major draw.
While the main reservoirs are popular, the region benefits from several interconnected bodies of water. Embalse de Pinilla is often considered a hidden gem, offering breathtaking scenery, lush forests, and mountains, ideal for hiking, photography, and birdwatching away from the more crowded spots.
The region offers beauty year-round. While specific seasonal data isn't provided, the area's natural setting with oak groves and forests suggests pleasant conditions in spring and autumn for hiking and enjoying the foliage. Summer can be good for water-based activities, though recent droughts have sometimes affected water levels. Winter offers a different, often tranquil, experience with crisp air and unique views.


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