Fort Union Trading Post National Historic Site

Fort Union Trading Post National Historic Site in Williston, North Dakota, preserves the most important fur trading post on the upper Missouri River. Established as a National Historic Site in 1966, the reconstructed fort tells the story of a bustling commercial center where cultures met, friendships were formed, and commerce shaped the future of the American West.

Between 1828 and 1867, Fort Union became the headquarters of the American Fur Company on upper Missouri. Northern Plains tribes, including the Assiniboine, Crow, Blackfeet, Hidatsa, Mandan, and Lakota, brought buffalo robes to trade for goods from around the world. Inside the fort, traders exchanged firearms, blankets, tools, beads, cloth, cookware, and other manufactured items that had traveled thousands of miles before reaching this remote outpost.

The day we visited, the weather became part of the adventure. Heavy rains had left the area flooded, and the mosquitoes seemed to be everywhere. We hurried across the grounds and into the trading post, where we finally found some relief. Sitting on the buffalo robes while listening to the ranger describe the daily life of the traders and the Native American tribes made the experience feel much more authentic. For a few moments, it was easy to imagine the conversations, negotiations, and friendships that once filled these rooms.

One of the things that impressed me most was realizing how international this isolated fort really was. Goods from Europe and the eastern United States met buffalo robes harvested on the Great Plains, creating an economic network that stretched across continents. What appears today to be a lonely outpost was once one of the busiest commercial centers in the northern frontier.

Fort Union reminds us that the history of the American West was not built solely by soldiers and settlers. It was also shaped by trade, cooperation, and cultural exchange. Standing inside the reconstructed trading post, despite the rain and mosquitoes outside, I came away with a much greater appreciation for the role this remarkable place played in connecting people from very different worlds.