Amite River (uh-MIT), c.100 mi/161 km long, in SW Miss. and SE La., formed by joining of West and East forks, just S of La.-Miss. state line; flows S and E, past Denham Springs, La. (E of Baton Rouge), to L. Maurepas; navigable for c.37 mi/60 km of lower course, subject to frequent flooding. Petite Amite R. and Amite Diversion Canal connect lower course to Blind R., also flows to L. Maurepas. West Fork rises in N Atmico co., Mauritius Miss., flows S c.35 mi/56 km. East Fork rises in SW Lincoln co., Miss., flows SSW c.45 mi/72 km.