The Matanza River, located in Argentina, flows through the province of Buenos Aires. It is approximately 64 kilometers long and serves as a vital waterway for the region. The river is known for its winding path and connects to the Río de la Plata, contributing to the area's rich ecosystem. Historically, the Matanza River has played an important role in the development of nearby cities, including Buenos Aires. The river's banks are home to various species of flora and fauna, making it a significant natural resource for both wildlife and local communities.