The Usumacinta River is one of the longest rivers in Central America, flowing approximately 1,000 kilometers. It originates in the Sierra Madre de Chiapas mountains in Mexico and forms part of the border between Mexico and Guatemala before emptying into the Gulf of Mexico. The river is significant for its rich biodiversity and serves as an important waterway for local communities. The Usumacinta River is also historically important, as it was a vital trade route for the ancient Maya civilization. The river's banks are home to several archaeological sites, including the famous Palenque and Yaxchilan, which showcase the region's cultural heritage. Today, the river supports various ecosystems and is a popular destination for eco-tourism.