Atchafalaya National Heritage Area | America's French Foreign Country

The Great Lazy River

The Atchafalaya is Culture, Tourism, Nature
and So Much More!

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Welcome to the Atchafalaya

It’s not a swamp. It’s a whole new country!

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It’s so big - and full!

Birding, Biking, Paddling, Camping, Hunting,
Fishing, Golf and Tree Tagging!

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To infinity, and beyond!

The Atchafalaya National Heritage Area Stretches far...
Well into the Gulf of Mexico!

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National Heritage Area

Welcome to the Atchafalaya

In the heart of Louisiana lies a vast natural wonder with a storied past. 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!

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Action In the Swamp

Events Calendar

Meetings, festivals, tours through the marsh and much more can be found here...
below are the ones coming up next!

A Taste of Donaldsonville

5 PM - 7 PM

Join us for a night featuring the best tastes, treats, and entrees that Donalsonville has to offer.

August 08, 2026

Lemann Community Center | 1100 Clay St. Donaldsonv

Lafourche Heritage Society Seminar

Each year the Lafourche Heritage Society presents a one-day seminar on topics relating to genealogy and history. Presenters include historians, genealogists, archivists, prominent community members, and researchers, who speak on a wide range of topics rel

August 08, 2026

726 N. Acadia Road, Thibodaux, LA

3rd Annual First Responders Day

9 AM - 2 PM

This is a family-friendly event featuring free food & drinks, interactive displays, & an opportunity to meet the dedicated men & women who serve our communities today.

August 10, 2026

Morgan City Bridge in Berwick

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Explore Our Website

What’s Inside!

Our website is packed with information to help you schedule school tours, learn about the wetlands, or find out more about the cultures of Louisiana. Below are just some of the great things we invite you to investigate...