Ciénegas del Lerma

The Ciénegas del Lerma is a wetland in central Mexico. It consists of three lakes in the Toluca Valley, the upper basin of the Lerma River, near the city of Toluca. The wetlands cover 3,023 hectares. The three lakes are the what remains of a much larger wetland, which covered 27,000 ha at the end of the 19th century. The wetlands include open-water lakes more than 5 meters deep, marshes with floating and bottom-rooted vegetation, and riparian forests. The lakes are home to many aquatic animals and plants, including endemic and threatened species. The wetlands are an important stopover for migratory waterbirds.

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