A map shared on X, TikTok, Facebook and Threads, among other platforms, in August 2024 claimed to show the Mississippi River and its tributaries. One popular example was shared to X (archived) on ...

At 2,350 miles long, the Mississippi is the second-longest river in North America, behind its biggest tributary, the Missouri River, which is 100 miles longer, according to the National Park Service.

The longest river in North America, the Mississippi River, along with its major tributaries, drains an area of almost 1.2 million square miles and carries water from nearly one-eighth of the ...