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Lamar River

River in Yellowstone NP, Rocky Mountains in WY

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Length

48mi

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On Wikipedia

The Lamar River is a tributary of the Yellowstone River, approximately 40 miles (48 km) long, in northwestern Wyoming in the United States. The river is located entirely within Yellowstone National Park.

Scenic Photographs

Yellowstone Flood of 2022

Yellowstone flood event 2022: Lamar River and Lamar Valley post spring flood (taken September 1), Jacob W. Frank (NPS) photograph above.

Yellowstone flood event 2022: Lamar River above the confluence with the Yellowstone River post spring flood (taken September 1), Jacob W. Frank (NPS) two photographs above.