What Makes the Rivers In Montana Unique Among the 50 States?

Montana’s rivers flow into three widely separated bodies of water:

  1. the Gulf of Mexico
  2. the Pacific Ocean
  3. the Hudson Bay

The Missouri River system drains into the Mississippi River and then into the Gulf of Mexico.

The Columbia River system drains into the Pacific Ocean.

The Belly, St. Mary’s, and Waterton Rivers drain into Hudson Bay by way of the Nelson and Saskatchewan Rivers system.