In this article, we explore the 10 longest rivers in North America, their length, source, mouth, and some key facts about the rivers. Source: worldatlas/GraphicsMaps.com Here is the list of the ...

- The Lewis and Clark expedition followed this route. - Largest river by drainage area. - Watershed: 1.2 million sq miles. - Flows through 10 states. - Flows through Alaska. - Watershed: 328,000 ...