Best lakes around Valdemanco are primarily reservoirs, which are significant for the region's water supply and offer natural landscapes. The area features rugged enclaves and historical towns surrounding these water bodies. Valdemanco's natural environment provides opportunities for walks and exploration. The lakes are integrated into the Tagus river basin system.
Last updated: July 4, 2026
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Dirt track that ends next to a watering hole for the cattle. Eye! According to a sign, some are brave so it is not advisable to cross the fences. Nice views of the swamp in the distance.
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Very steep climb from the Guadalix Reservoir
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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 rest of the trail improves after this initial climb
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Good views of the reservoir, also known as El Vellón, with Guadalix de la Sierra in the background. The mountains that can be seen in the background are the ends of La Pedriza and the area of the Morcuera pass.
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The Pedrezuela reservoir is a haven of peace for all those who live in the Sierra Norte de Madrid. Built by the Canal de Isabel II to take advantage of the regulated waters of the Guadalix River, it is a perfect place to stroll and unwind.
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Yes, several lakes in the area are considered family-friendly. For instance, Pedrezuela Reservoir and El Atazar Reservoir are both popular choices for families, offering quiet places to relax and explore.
The lakes around Valdemanco are primarily reservoirs, integrated into the Tagus river basin system. You'll find rugged enclaves and natural landscapes, particularly around El Atazar Reservoir, which is a natural monument known for its spectacular scenery and surrounding monumental natural routes.
Yes, around Pedrezuela Reservoir (del Vellón), there is a path that allows you to go around it completely, or you can opt for shorter walks through the Sierra Lagos. These areas offer quiet and picturesque settings for a stroll.
The region offers various outdoor activities. You can find numerous routes for cycling, mountain biking, and gravel biking. For example, there are challenging cycling routes like the La Morcuera Pass – Canencia Pass loop, and moderate MTB trails such as the Zone of Gentleness loop. You can explore these and more on the Cycling around Valdemanco, MTB Trails around Valdemanco, and Gravel biking around Valdemanco guide pages.
The lakes around Valdemanco are primarily reservoirs built for Madrid's water supply. While they offer beautiful landscapes, swimming is generally not permitted or recommended in these reservoirs due to their function and potential safety concerns. Always check local regulations and signage.
The Valdemanco area can be enjoyed year-round. Spring and autumn offer pleasant temperatures for walks and outdoor activities. Even in winter, the lakes provide opportunities for scenic hikes, though conditions may vary.
Yes, for those seeking a challenge, there is the Steep Ascent from Embalse de Guadalix. This trail offers a demanding climb with rewarding views of the Guadalix Reservoir in the distance.
The reservoirs around Valdemanco, such as Pedrezuela Reservoir and El Atazar Reservoir, are crucial for Madrid's water supply. They were built by the Canal de Isabel II, with El Atazar being the largest in Madrid, holding 46% of the community's impounded water.
Yes, the area surrounding the reservoirs features historical towns. El Atazar Reservoir, in particular, is noted for its surrounding historic towns, offering opportunities for walks and exploration beyond the water's edge.
Visitors appreciate the quiet and relaxing atmosphere, especially at places like Pedrezuela Reservoir. The spectacular landscapes, monumental natural routes, and opportunities for walks through rugged enclaves are also highly valued by the komoot community.
While specific regulations for dogs vary by location around each reservoir, many natural areas in Spain are generally dog-friendly, especially on trails. It's always best to keep dogs on a leash and clean up after them. Check local signage at each specific lake for any restrictions.


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