I do not know about the size of the bayou in Louisiana, but I do know how harsh the bayou can be. When I was in college in Tallahassee, I went on an eco-tour of the Florida Everglades. A small group of us rented a cabin for a weekend, and went on swamp walks and fan boat rides to examine the complex everglades ecosystem.
It was exciting to see all the snakes, birds and alligators in the bayou. The only time I had seen an alligator before that was on the side of the highway when I took a bus to college.
The bayou in Florida is a very harsh place. The everglades were filled with all kinds of biting and stinging bugs, poisonous snakes, dangerous alligators, and a very oppressive, humid heat. It was a great place to visit, but I definitely would not want to live in this harsh climate.