Yellowstone River
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The Yellowstone River is a tributary of the Missouri River, approximately 671 miles long, in the Western United States. Considered the principal tributary of the upper Missouri, via its own tributarie
Yellowstone Falls on the Yellowstone River in Yellowstone National Park
The river steamer Expansion on the Yellowstone River in Montana, 1907
Yellowstone River Fishing Bridge 1959
Black Canyon of the Yellowstone
Yellowstone County, Montana
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Yellowstone County is a county in the U.S. state of Montana. As of the 2020 census, the population was 164,731, and was estimated to be 172,692 in 2025, making it the most populous county in Montana.
Yellowstone River
…river was instead named after yellow-colored sandstone bluffs on the lower Yellowstone. The Cheyenne, who lived in the areas of present-day Billings and Yellowstone County, called it Mo'éheo'hé'e (also Yellow Rocks River). The Crow, who lived along the upper Yellowstone in southern Montana, called it E-chee-dik-karsh-ah-shay…
The Yellowstone County Courthouse in Billings in 2024