Tlaloc Fountain (Fuente de Tlaloc) is in Section II of Chapultepec Park, next to the Carcamo municipal water pump station. Created in the early 1950s by Diego Rivera, this large and intricate mosaic of Tlaloc, the Aztec rain god, had long been abandoned but is being restored along with the concave fountain that contains it as well as the surrounding park area.
Measuring approximately 100 by 100 feet, the likeness of Tlaloc is a relief, situated about 3 feet above ground level in a position that indicates running or perhaps dancing. Behind the artwork is a domed pump house (Carcamo de Dolores) that once housed a large water tank. Inside the pump house, wall-mounted organ pipes softly echo natural sounds derived from the movement of water, and posters depict Rivera's intent to merge practical functionality with cultural expression via a single work of art.