The Continental Divide in the Americas is the imaginary line that divides the flow of water between the Pacific Ocean and Atlantic Ocean. Rain or snow that drains on the east side of the Continental Divide flows toward the Atlantic Ocean while precipitation on the west side drains and flows toward the Pacific Ocean. (However, some rivers empty into the desert and don't end up in the oceans.)

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Where is the Continental Divide?

The Continental Divide runs from Alaska all the way down to South America.  Popular places to see the Continental Divide include Yellowstone National Park and Rocky Mountains National Park in Colorado. 

Miss. Wilbanks at the Continental Divide in Yellowstone National Park.

The Continental Divide in Fraser, Colorado.  It appears small, but we were at the very top of the mountain when I took this picture.