page_title: Yellowstone River
hierarchical_section_title: Yellowstone River
caption_attribution_description: English: Map of the Yellowstone River watershed in Wyoming, Montana and North Dakota in the north-central USA, that drains to the Missouri River
context_page_description: The Yellowstone River is a tributary of the Missouri River, approximately 692 miles long, in the western United States. Considered the principal tributary of the upper Missouri, this river, via its tributaries, drains a wide area, stretching from the Rocky Mountains in the vicinity of Yellowstone National Park, across the mountains and high plains of southern Montana and northern Wyoming.
context_section_description: The Yellowstone River is a tributary of the Missouri River, approximately 692 miles (1,114 km) long, in the western United States. Considered the principal tributary of the upper Missouri, this river, via its tributaries, drains a wide area, stretching from the Rocky Mountains in the vicinity of Yellowstone National Park, across the mountains and high plains of southern Montana and northern Wyoming.
caption: Map of the Yellowstone River watershed
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