Yellowstone River Confluence

On April 25, 1805, Lewis, “accompanyed by four men”, proceeded overland in advance of Clark and the main group in order to explore the area surrounding the confluence of the Yellowstone River, which he knew to be close. After a hike of several miles, the five men “ascended the hills” and camped on the Yellowstone riverbank overnight. The following day Lewis “dispatched Joseph Fields up the yellowstone river with orders to examine it as far as he could conveniently and return the same evening; two others were directed to bring in the meat we had killed last evening, while I proceeded down the river with one man in order to take a view of the confluence of this great river with the Missouri”. By noon the main group arrived by river, and Lewis and Clark took measurements at the confluence.

Public visitation is facilitated by the Missouri-Yellowstone Confluence Interpretive Center, a museum that is operated by the State Historical Society of North Dakota. The museum, which first opened in 2003, offers expansive views of the confluence and features exhibits about the Corps of Discovery.

Contact Information

Missouri-Yellowstone Confluence Interpretive Center
Reservations and Information:
701-572-9034

Address:
15349 39th Lane Northwest, Williston, North Dakota 58801, United States

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