The Yellowstone Plateau Volcanic Field, also known as the Yellowstone Supervolcano or the Yellowstone Volcano, is a complex volcano, volcanic plateau and volcanic field located mostly in the western U.S. state of Wyoming, but it also stretches into Idaho and Montana. It is a popular site for tourists.
Elevation: 11,372 ft (3,466 m)
Location: United States · Park County, Wyoming · Teton County, Wyoming · Gallatin County, Montana · Park County, Montana · Fremont County, Idaho · Yellowstone National Park
Parent range: Rocky Mountains
Topo map: USGS Yellowstone National Park
Rock age: ~2,080,000–70,000 years
Mountain type(s): Complex volcano, volcanic plateau and volcanic field
Last eruption: approximately 631,000 years ago (caldera-forming); 70,000 years ago (in the caldera)