The Embarras River (/ˈæmbrɔː/ AM-braw) is a 195-mile-long (314 km) tributary of the Wabash River in southeastern Illinois in the United States. The waters of the Embarras reach the Gulf of Mexico via the Wabash, Ohio, and Mississippi rivers. The river drains a watershed of approximately 1,566,450 acres (6,339.2 km²) in an agricultural region.