Flint River (Indian name, Thronateeska), a river of Georgia, rising in the N. W. part of the state, near Fayetteville, flowing S., and uniting with the Chattahoochee at the S. W. extremity of the state, to form the Appalachi-cola. It is about 300 m. long, and is navigable to Albany, 250 m. from the gulf of Mexico.