The Rio Usumacinta is a major river located in Central America, primarily flowing through Guatemala and Mexico. It is approximately 1,000 kilometers long and serves as a natural border between the two countries for part of its course. The river is known for its rich biodiversity and is an important waterway for local communities. The Usumacinta River is also significant for its historical and cultural importance, as it runs near ancient Mayan cities like Yaxchilan and Palenque. These archaeological sites attract tourists and researchers interested in the Maya civilization. The river's ecosystem supports various wildlife, making it a vital resource for both nature and heritage.