Apalachicola River (ap-pah-lach-i-KO-LAH), 112 mi/180 km long, NW Fla.; formed at SW corner of Ga. on Fla. line by confluence of Flint and Chattahoochee rivers near town of Chattahoochee; flows S across NW Fla., into Apalachicola Bay at Apalachicola; has dredged channel. Except for area surrounding its mouth, R. forms boundary between Eastern and Central time zones in Fla. Receives Chipola R. From farthest headstream (N Ga.), 500 mi/805 km above mouth, drains 19,500 sq mi/50,505 sq km.
