Best lakes around Torrelodones are situated in a naturally rich area of the Community of Madrid, bordering the Regional Park of the Middle Course of the Guadarrama River and the Regional Park of the Cuenca Alta del Manzanares. The region features a landscape characterized by groves and holm oak forests. Torrelodones itself is known for its reservoirs and artificial wetlands, offering various natural spaces for exploration. This area provides opportunities for hiking and observing local flora and fauna.
Last updated: August 14, 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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The Gato lagoon is an artificial wetland created to adapt a quarry located in the southeast of Moralzarzal, on the border with the municipality of Collado Villaba. In addition, the Gato lagoon is located on the border of the Cuenca Alta del Manzanares Regional Park and the Biosphere Reserve of the same name.
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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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The most notable historical site is the El Gasco Dam, an impressive 18th-century unfinished engineering project. Designed to be the tallest dam of its time, its ruins offer a glimpse into a grand, unrealized vision for inland navigation in Spain. It's integrated into the Regional Park of the Middle Course of the Guadarrama River, making it a popular spot for hiking and exploring history amidst nature.
Yes, several lakes offer family-friendly experiences. Valmayor Reservoir, Laguna del Gato, and Molino de la Hoz Reservoir are all categorized as family-friendly. Laguna del Gato, an artificial wetland, is particularly interesting for its role in amphibian recovery, offering a unique educational experience for families.
The lakes are rich in natural beauty. At Molino de la Hoz Reservoir, you can observe various aquatic bird species. The Laguna del Gato, a restored seasonal lagoon, supports amphibian populations. The Embalse de Gabriel Enríquez de la Orden (also known as Embalse de Los Peñascales) is integrated into the Parque Regional de la Cuenca Alta del Manzanares, characterized by groves and holm oak forests, highlighting its ecological value and protected status for local flora and fauna.
The area around Torrelodones' lakes is excellent for various outdoor activities. You can find numerous hiking, cycling, and mountain biking routes. For instance, there are moderate to difficult hiking routes like the "El Gasco Dam – Canal del Guadarrama loop" and the "Hiking loop from Los Peñascales." Cycling enthusiasts can explore routes such as the "Valmayor Reservoir Trails" or the "El Gasco Dam – Molino de la Hoz Reservoir loop." You can find more details on these activities in the Hiking around Torrelodones, Cycling around Torrelodones, and MTB Trails around Torrelodones guides.
Generally, most reservoirs and artificial wetlands in the region, such as Valmayor Reservoir and Molino de la Hoz Reservoir, are primarily for water storage or ornamental purposes and are not designated for swimming. For swimming and water sports, Lake San Juan (Pantano de San Juan), located in the Sierra de Guadarrama National Park, is Madrid's largest reservoir known for such activities, though it requires a short trip from Torrelodones.
The best time to visit the lakes for hiking is typically during spring and autumn when the weather is mild and pleasant. Spring brings blooming flora, while autumn offers beautiful fall colors. Summer can be very hot, making early mornings or late afternoons preferable for activities. Winter can be chilly, but clear days still offer great opportunities for walks, especially around historical sites like the El Gasco Dam.
While Torrelodones itself has public transport connections, direct public transport to all specific lake access points can be limited. Many routes to the lakes, especially those within natural parks like the Regional Park of the Middle Course of the Guadarrama River, often require a combination of public transport to nearby towns and then walking or cycling. It's advisable to check local bus schedules and plan your route accordingly, especially for more remote locations.
Parking availability varies by location. For popular spots like the El Gasco Dam or areas around Valmayor Reservoir, you can often find designated parking areas or roadside parking near trailheads. However, during peak seasons or weekends, these spots can fill up quickly. It's recommended to arrive early or consider alternative transport options if possible.
Yes, several spots offer great views. Molino de la Hoz Reservoir provides nice views from its dam and the bridge that crosses it. Additionally, the area around the El Gasco Dam offers stunning views of the Sierra and the surrounding protected landscape within the Regional Park of the Middle Course of the Guadarrama River, making it a popular destination for scenic hikes.
Valmayor Reservoir is the second largest in the Community of Madrid by water storage capacity. It was built on the Aulencia River to meet Madrid's water needs, taking advantage of the area's impermeable granite bottom. It spans across the municipalities of Valdemorillo, El Escorial, Colmenarejo, and Galapagar, offering extensive areas for exploration and various outdoor activities.
Many trails around the lakes in the Torrelodones area are dog-friendly, especially those within natural parks and rural settings. However, it's always recommended to keep your dog on a leash, especially in protected areas or near wildlife, and to clean up after them. Specific rules might apply in certain zones, so look for signage at trailheads.
While the immediate vicinity of some lakes might be more natural and less developed, you can find cafes and restaurants in the nearby towns and urban centers like Torrelodones itself, or in municipalities bordering the larger reservoirs such as Valdemorillo or Colmenarejo near Valmayor Reservoir. It's a good idea to plan your refreshments before or after your visit to the more remote lake spots.


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