The Riachuelo River is a river located in Argentina, flowing through the province of Buenos Aires. It is approximately 64 kilometers long and serves as a tributary to the La Plata River. The river is known for its historical significance and has been a vital waterway for transportation and trade in the region. The Riachuelo River has faced environmental challenges, including pollution and habitat degradation. Efforts have been made to clean and restore the river, aiming to improve water quality and promote biodiversity. The river is also surrounded by urban areas, making it an important part of the local ecosystem and community.