When someone asks you what the longest river in the United States is, you might immediately think of the Mississippi River.

The program is meant to encourage children to get in touch with nature along the Missouri River at Coopers Landing.

ST. JOSEPH, Mo. (News-Press NOW) -- The mighty Missouri River is the longest in the United States, flowing over 2,000 miles from its headwaters in Northern Montana all the way to the Show Me state.