Michigan's Au Sable River named best fly fishing river. The 138-mile river is known for its abundance of trout, clean water, and diverse aquatic life.

County health departments routinely collect water samples to test for bacteria levels to ensure water is safe for swimming.

A Historic and Cultural Gem The Au Sable isn’t just a river—it’s a piece of Michigan’s history. For generations, it has been a hub for fishing, recreation, and local culture.