The Atchafalaya Basin, or Atchafalaya Swamp (/ əˌtʃæfəˈlaɪə /; Louisiana French: Atchafalaya, [atʃafalaˈja]), is the largest wetland and swamp in the United States. Located in south central Louisiana, it is a combination of wetlands and river delta area where the Atchafalaya River and the Gulf of Mexico converge.

The Atchafalaya Basin is the nation's largest river swamp, containing almost one million acres of America's most significant bottomland hardwoods, swamps, bayous and backwater lakes. The basin begins near Simmesport, La., and stretches 140 miles southward to the Gulf of Mexico.

With a story around every bend in the river and music from every corner, the Atchafalaya National Heritage Area is an ever-changing, rich and mysterious landscape. It is filled with twisting bayous, rivers and America’s largest river swamp.

Welcome to America’s largest freshwater swamp: the Atchafalaya River Basin. From upland forests, to Cypress/Tupelo swamps, to an active land-building river delta, the Atchafalaya has lots to see. How you explore America’s Foreign Country…that’s up to you!

2020年11月1日 · The Atchafalaya Basin, home of North America's last great river swamp, is the basin of the Atchafalaya River, a 135-mile long natural distributary of the Mississippi River that empties into the Gulf of Mexico and is the only growing delta in Louisiana. The Basin includes some 1.4 million acres.

The Atchafalaya Basin is located in the central part of the coastal zone, west of the Terrebonne Basin (Figure AT-1). It encompasses 58,400 acres of wetlands in St. Mary Parish.

Home to more than three hundred bird species, sixty-five species of reptiles and amphibians, a hundred species of fish, not to mention black bear, deer, nutria, opossum, beaver, muskrat, otter and raccoon, and more wild crawfish than anywhere else on earth, the Atchafalaya River Basin, that big bathtub of water, provides excellent opportunities ...

The Atchafalaya River Basin stretches from the Baton Rouge area 140 miles south to the coast of Louisiana. Atchafalaya is the nation's largest river swamp, containing almost one million acres of vibrant bottomland hardwoods, swamps, bayous, and backwater lakes.

2022年6月2日 · The Atchafalaya Swamp is the country's most extensive river basin, covering a total area of 2200 square miles, stretching over 20 miles wide and 150 miles long, and containing almost a million acres of the nation's most important hardwoods, swamps, marshes, and backwater lakes.

"What is the Atchafalaya Basin?" The Atchafalaya Basin is the nation’s largest river swamp, containing almost one million acres of the nation’s most significant bottomland hardwoods, swamps, bayous and backwater lakes.