• An aerial view of Old Faithful erupting taken from Observation Point with the Old Faithful Inn to the side.

    Yellowstone

    National Park ID,MT,WY

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  • Construction Work To Result In Yellowstone Road Closures After Labor Day

    Two sections of Yellowstone’s Grand Loop Road will be closed due to construction after the Labor Day holiday weekend. Travel between some points will involve long detours and significantly longer than normal travel times. More »

Yellowstone Fish Reports

A collage of photos: person holding a giant trout and a person standing next to a boat by a body of water.
Graduate researcher holding giant cutthroat trout at Clear Creek, Yellowstone National Park (left) and Yellowstone National Park fisheries biologist (right) with an electrofishing raft on the Yellowstone River upstream of Yellowstone Lake.
NPS photo by(left)Ertel and (right)Koel
 
 

Peer-reviewed Literature

Other Technical Reports

Yellowstone Science Articles

National Environmental Protection Act Documents

Additional Technical Information

Additional information regarding Yellowstone's fish and other aquatic resources is available at the Greater Yellowstone Science Learning Center. Visit the GYSLC at www.greateryellowstonescience.org

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Did You Know?

Summer Crowd at Old Faithful.

At peak summer levels, 3,500 employees work for Yellowstone National Park concessioners and about 800 work for the National Park Service.