The Missouri River, the longest river in North America at over 2,300 miles, flows through seven states: Montana, North Dakota, South Dakota, Nebraska, Iowa, Kansas, and Missouri. It offers diverse fishing environments from fast-flowing sections to calm backwaters, featuring varied ecosystems that support numerous fish species. This historic waterway has been vital for Native American tribes, explorers, and settlers for centuries, with fishing providing both sustenance and recreation. Today, the river remains a premier destination for anglers seeking everything from trophy walleye to monster catfish, with its numerous reservoirs, dams, and free-flowing sections providing unique fishing opportunities throughout the year.