• Visitors stand on the boardwalk of Grand Prismatic, the park's largest hot spring which is ringed with orange, brown and yellow runoff channels.

    Yellowstone

    National Park ID,MT,WY

Our Staff & Offices

A ranger speaks with visitors viewing wildlife in Hayden Valley.

Concessions Managment

Law Enforcement

Did You Know?

Lake Trout Illustration

Lake trout are an invasive species of fish that is decimating the native cutthroat trout population in Yellowstone Lake.