Yellowstone National Park is primarily located in the state of Wyoming
Yellowstone National Park, Wyoming, USA Yellowstone National Park is primarily located in the state of Wyoming, although it also extends into ...Yellowstone National Park, Wyoming, USA Yellowstone National Park is primarily located in the state of Wyoming, although it also extends into Montana and Idaho. The park covers an area of 3,468.4 square miles and is famed for its wildlife and its many geothermal features.plus.google.com