The Atchafalaya River is a 137-mile-long distributary of the Mississippi River and Red River in south central Louisiana in the United States. It flows south, just west of the Mississippi River, and is the fifth largest river in North America, by discharge. The name Atchafalaya comes from Choctaw for 'long river', from hachcha, 'river', and falaya, 'long'.
Etymology: Choctaw for "long river"
Country: United States
State: Louisiana
Parishes: Avoyelles · Pointe Coupee · St. Landry · St. Martin · Iberville · Iberia · St. Mary · Terrebonne