Best lakes around Real Sitio De San Ildefonso are found within the Sierra de Guadarrama mountains, a region known for its natural landscapes and historical significance. The area is characterized by significant aquatic environments, including both natural glacial lagoons and man-made reservoirs, integral to its beauty. As part of the Sierra de Guadarrama National Park and a UNESCO Biosphere Reserve, the region emphasizes conservation and sustainable development of its water resources. These water bodies, along with numerous rivers and streams,…
Last updated: July 4, 2026
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This reservoir is located in the beautiful Barranca valley
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Charca Verde is one of the most iconic and beautiful spots in La Pedriza, in the Sierra de Guadarrama National Park. It is a pool of crystal-clear, emerald-green water, formed by the Manzanares River and surrounded by large granite boulders.
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Just seeing the colors is worth it. Swimming is prohibited.
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The Barranca Army Reservoir, built in the 1950s in Navacerrada (Madrid), is located in the Barranca Valley, within the Upper Manzanares Basin Regional Park. It originally supplied water to a sanatorium. Today, surrounded by a valuable ecosystem, it is a place to enjoy nature and views of the Sierra de Guadarrama.
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The truth is that seeing a glacier so close to Madrid is amazing.
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Swimming is prohibited, take care of the environment.
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Look for a time when there is sunlight and when there is a lot of water, the colors are amazing.
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Laguna de los Pájaros is a beautiful glacial lagoon located on the northeast slope of Peñalara Peak, in the Sierra de Guadarrama, within the Sierra de Guadarrama National Park. It is located at an altitude of 2,170 meters above sea level, making it the highest lagoon in the park. During the winter, the lagoon remains frozen, and in summer, although its level fluctuates, it does not disappear completely. It is a popular place for hiking, with routes that offer spectacular views of the surrounding alpine landscape.
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The region around Real Sitio De San Ildefonso features a diverse range of water bodies. You'll find natural glacial lagoons, such as Peñalara Glacial Cirque and Lake of the Birds, nestled high in the Sierra de Guadarrama mountains. There are also significant man-made reservoirs like Embalse del Pontón Alto, which serves as a water source for Segovia, and historical artificial lakes such as Estanque El Mar within the Royal Palace grounds, crucial for the famous fountains.
Yes, the area offers numerous hiking opportunities. For instance, the Embalse del Pontón Alto has many trails along the Eresma River, including the historical 'Sendero de los Reales Sitios'. High-altitude glacial lakes like Lake of the Birds are popular hiking destinations, though some routes require good preparation. You can find more detailed hiking routes in the Hiking around Real Sitio De San Ildefonso guide.
The lakes are surrounded by stunning natural features. At Peñalara Glacial Cirque, you'll see impressive granite steps, walls, and valleys formed by old moraines. Charca Verde is known for its crystal-clear, emerald-green water and large granite boulders. From the Navacerrada Reservoir Dam, you can enjoy panoramic views of the reservoir and surrounding peaks. Estanque El Mar features a whimsical artificial waterfall and is set within a tranquil forest.
Spring and autumn are generally recommended for visiting the lakes to fully appreciate their natural beauty and comfortable temperatures. During autumn, the forest around Estanque El Mar is particularly picturesque with vibrant colors. In winter, high-altitude lakes like Lake of the Birds can be frozen, offering a different, serene experience, but be aware of ice sheets in areas like Peñalara Glacial Cirque.
Yes, several spots are suitable for families. The Air Force Reservoir and the Navacerrada Reservoir Dam are highlighted as family-friendly. The Embalse del Pontón Alto offers rest areas with fountains and benches along its paths, making it pleasant for walks with children. Estanque El Mar, with its peaceful forest setting and walking paths, is also a good option for a relaxed family outing.
Estanque El Mar, located within the Royal Palace grounds, is historically significant as it supplied water by gravity to the palace's elaborate 18th-century fountains. It also housed a historic fish hatchery. The Embalse del Pontón Alto is part of the 'Sendero de los Reales Sitios', a historical route originally used by King Charles III for trout fishing, connecting several royal sites.
Absolutely. The Embalse del Pontón Alto has historically offered activities like canoeing and kayaking. The wider region around Real Sitio De San Ildefonso is excellent for road cycling, with routes like 'Alto del León and Puerto de Navacerrada Loop'. You can explore more options in the Road Cycling Routes around Real Sitio De San Ildefonso guide and the Running Trails around Real Sitio De San Ildefonso guide.
Visitors frequently praise the stunning views and tranquil atmosphere. For example, Peñalara Glacial Cirque is noted for its wonderful views and calm environment. The Air Force Reservoir surprises visitors with its conjunction of water and mountain views, often compared to grand mountain landscapes. The reflective surfaces of the reservoirs, like Navacerrada, are also highly appreciated for photography.
While some areas like Charca Verde were historically known as the 'beach of the Sierra de Madrid' in summer, swimming in reservoirs like Embalse del Pontón Alto is generally not advised due to currents. Always check local regulations and safety guidelines before considering swimming in any natural water body.
Estanque El Mar, tucked away in the forest surrounding the Royal Palace, offers a peaceful escape from more formal areas, providing a tranquil setting for quiet strolls and photography. While not a 'hidden gem' in the traditional sense, its serene atmosphere makes it feel less crowded than other more accessible spots.
The lakes and their surroundings support a rich ecosystem. The pure waters of Estanque El Mar historically made it excellent for fish farming, particularly trout. The Air Force Reservoir has become a valuable ecosystem home to species at risk of extinction, such as otters, various birds, mammals, fish, and amphibians. The Navacerrada Reservoir Dam also attracts various types of fish, ducks, and other waterfowl.


Still not found your perfect lake around Real Sitio De San Ildefonso? Check out the guides of these regions to see even more beautiful places.