Fort Union Trading Post National Historic Site
Missouri Rivers preeminent fur trading post from the 1820s to the Civil War, Fort Union was a colorful mix of river boaters, fur traders, Plains Indian tribes and frontier capitalists. Bourgeois House, once the setting of elegant dinners for distinguished guests, is now a visitor center. Fort Union straddles the Montana-North Dakota border. Open daily.
15550 Highway 1804
Fort Union is 15 miles SE of Bainville, Montana; 21 miles north of Sidney, Montana; 25 miles SW of Williston, North Dakota. The historic site sits astride the Montana/North Dakota state line.
Season of Operation
Hours of Operation
Summer: 8:00 a.m. - 8:00 p.m. Winter: 9:00 a.m. - 5:30 p.m.
Services and Amenities