What Three States Include Yellowstone National Park?

Yellowstone National Park is contained within the states of Wyoming, Idaho, and Montana. 96 percent of the park is in northwest Wyoming, while 3 percent is in Montana and 1 percent exists in eastern Idaho.

John Lindell has written articles for "The Greyhound Review" and various other online publications. A Connecticut native, his work specializes in sports, fishing and nature. Lindell worked in greyhound racing for 25 years.