Lakes around Navarredonda Y San Mamés are primarily characterized by significant reservoirs and natural lagoons within the mountainous landscape of the Sierra Norte de Madrid. This region, part of the Sierra de Guadarrama National Park, offers various water bodies and natural features for exploration. Visitors can find viewpoints overlooking large reservoirs and discover smaller, seasonal lagoons formed by glacial activity. The area provides opportunities for hiking routes and experiencing the natural environment.
Last updated: July 18, 2026
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Popular around Navarredonda Y San Mamés
Beautiful viewpoint of the Pinilla reservoir
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beautiful walking area with beautiful views
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Wonderful views and surroundings
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especially beautiful in Spring, with the thaw.
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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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The region features a mix of large man-made reservoirs, such as the Pinilla and Puentes Viejas reservoirs, and smaller natural lagoons like Hoyos de Pinilla. Additionally, the impressive Chorrera de San Mamés waterfall is a significant natural water feature worth visiting.
Yes, the Pinilla Reservoir Viewpoint is considered family-friendly, offering panoramic views and a quiet, easy path around the reservoir. The Puentes Viejas Dam also offers nice views and is suitable for families.
The Pinilla Reservoir Viewpoint provides one of the best panoramic views of the Pinilla reservoir and the town of Lozoya. The Puentes Viejas Dam also offers very nice views of its reservoir.
The natural lagoons of Hoyos de Pinilla are especially beautiful in spring, during the thaw, when the water level is higher. In winter, they are often frozen, and in summer, they may reduce to just a few pools.
Yes, there are several hiking opportunities. For instance, the area around Bosque de las Gariñas and Puentes Viejas Reservoir features a 6.5 km circular path. The Embalse de los Lindes is part of a challenging 20.8 km circular hiking trail. You can find more hiking routes in the Lakes around Navarredonda Y San Mamés guide.
Besides hiking, the region offers various cycling opportunities. You can find touring bicycle routes, gravel biking trails, and road cycling routes that pass by or offer views of the reservoirs. Explore options like the 'Pinilla Reservoir Viewpoint – View of Lozoya Reservoir loop' for touring bicycles or the 'Canencia Pass – Taboada Viaduct loop' for road cycling. More details are available in the Cycling around Navarredonda Y San Mamés, Gravel biking around Navarredonda Y San Mamés, and Road Cycling Routes around Navarredonda Y San Mamés guides.
The Puentes Viejas Dam was built on the Lozoya River and is a crucial part of the Canal de Isabel II, Madrid's water supply network. At 66 meters high, it is one of the tallest dams in the Community of Madrid and can store 53 hm³ of water.
Yes, the Bosque de las Gariñas is a notable forest located on the banks of the Lozoya River, near the Puentes Viejas Reservoir. It features pine, ash, and Montpellier maple trees, offering a serene natural environment for walks.
The lagoons of Hoyos de Pinilla are considered a jewel of the Sierra de Guadarrama. They are vital remnants of the glacial events that shaped these mountains, offering a unique glimpse into the region's geological past.
Visitors appreciate the panoramic views, especially from spots like the Pinilla Reservoir Viewpoint, and the tranquil, picturesque landscapes that change with the seasons. The opportunity for quiet walks and cycling along the reservoir shores, like the Lozoya Valley Nature Trail, is also highly valued.
The Chorrera de San Mamés is located on the northern side of Navarredonda y San Mamés. It's accessible via hiking routes from both San Mamés and Navarredonda, which lead through diverse ecosystems and offer scenic views before reaching the impressive 30-meter cascade.


Still not found your perfect lake around Navarredonda Y San Mamés? Check out the guides of these regions to see even more beautiful places.