Fort Union Trading Post National Historic Site | Williston

Fort Union Trading Post National Historic Site is a reconstructed 19th-century fur trading post located near Williston, North Dakota.

It served as the primary fur trading center on the Upper Missouri River from 1828 to 1867.

Visual Characteristics

The site features a reconstructed palisade wall constructed from approximately 20,000 logs. Inside the palisade are several reconstructed buildings, including the Bourgeois House, the Indian Department, and various storage structures. The buildings are primarily constructed of wood with pitched roofs. The surrounding landscape is characterized by prairie grassland and the confluence of the Missouri and Yellowstone Rivers.

Location & Access Logistics

Fort Union Trading Post National Historic Site is located 17 miles west of Williston, North Dakota, off US Highway 2. Access is via County Road 157, a paved road leading directly to the site. Ample free parking is available on-site. There are no public transport options directly serving the site.

Historical & Ecological Origin

The original Fort Union was established in 1828 by Kenneth McKenzie of the American Fur Company. Its purpose was to serve as a central depot for the fur trade in the region, facilitating the exchange of goods with Native American tribes and trappers. The site is situated on the Missouri River floodplain, an area shaped by fluvial processes.

Key Highlights & Activities

Visitors can explore the reconstructed buildings, which are furnished to reflect the period of operation. Ranger-led interpretive programs are offered seasonally. Photography of the structures and surrounding landscape is permitted. Walking the grounds allows for observation of the river confluence.

Infrastructure & Amenities

Restrooms are available on-site. Limited shade is provided by the reconstructed buildings. Cell phone signal is generally weak to non-existent within the historic site boundaries. No food vendors are present at the site; visitors should bring their own provisions.

Best Time to Visit

The best time for photography is during the morning or late afternoon when the sun angle provides optimal lighting on the structures. The site is open seasonally, typically from late spring through early fall. Weather is most favorable for outdoor exploration between May and September, with average temperatures ranging from 15°C to 25°C.

Facts & Legends

Fort Union was the largest and most important fur trading post on the Upper Missouri River. It was a hub of cultural exchange, where goods and ideas were traded between Europeans, Americans, and numerous Native American nations, including the Assiniboine, Blackfeet, Crow, Gros Ventre, and Sioux.

Nearby Landmarks

• Lewis and Clark State Park (10km Southeast)
• Missouri River (Adjacent)
• Yellowstone River (Adjacent)
• Confluence of Missouri and Yellowstone Rivers (Adjacent)