page_title: Sacagawea River
hierarchical_section_title: Sacagawea River
caption_attribution_description: English: Map of the Sacagawea River — in north-central Montana. Credits ©2004 Matthew Trump
context_page_description: The Sacagawea River is a tributary of the Musselshell River, approximately 30 mi long, in north-central Montana in the United States. It rises on the plains of northern Fergus County and flows eastward. The river formerly joined the Musselshell five miles above the confluence of the Musselshell with the Missouri, but it now flows into the arm of Fort Peck Lake on the Missouri formed by the mouth of the Musselshell.
context_section_description: The Sacagawea River is a tributary of the Musselshell River, approximately 30 mi (48 km) long, in north-central Montana in the United States. It rises on the plains of northern Fergus County and flows eastward. The river formerly joined the Musselshell five miles above the confluence of the Musselshell with the Missouri, but it now flows into the arm of Fort Peck Lake on the Missouri formed by the mouth of the Musselshell.
caption: The Sacagawea River
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