El Pardo Reservoir, embalse en el río Manzanares
El Pardo Reservoir is a large water storage facility in the El Pardo forest area near Madrid, designed mainly for flood control and water supply. The dam measures approximately 35 meters (115 feet) tall and collects water from the Manzanares River and smaller tributaries.
The reservoir was built in 1970 to prevent flooding from the Manzanares River, which had previously caused dangerous floods in Madrid. Construction of the dam marked a major turning point in the region's water management and altered the natural ecosystem of the forest.
The name El Pardo refers to an ancient hunting ground, reflecting the area's deep connection to nature. Visitors come today to observe birds and experience the quiet water surrounded by woodlands.
Access to the reservoir is straightforward, with walking paths and bird watching routes available around it. Water levels vary depending on rainfall, so it is wise to check conditions and accessibility before planning a visit.
Water levels rose dramatically in March 2025 during storm Martinho, forcing authorities to release water to prevent city flooding. Notably, many birds were observed shifting to urban areas like Plaza de Cibeles, highlighting the reservoir's crucial role in the ecosystem.
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