Bradley County is a county located in the U.S. state of Arkansas. As of the 2020 census, the population was 10,545. The county seat is Warren. It is Arkansas's 43rd county, formed on December 18, 1840, and named for Captain Hugh Bradley, who fought in the War of 1812.

The Ouachita River is a 605-mile-long (974 km) river that runs south and east through the U.S. states of Arkansas and Louisiana, joining the Tensas River to form the Black River near Jonesville, Louisiana. It is the 25th-longest river in the United States.