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, and on the north bank of the Missouri River.
Summer: 8:00am - 6:30pm central time
Winter: 9:00am - 5:30pm
Air Conditioning, Books, Childrens Activities, Gift Shop, Handicapped Accessible, Maps, Merchandise, Parking, Public Restroom, Registered Historic Site, Store, Tour, Unescorted Tour
American Heritage, Archaeology, Cultural, Exhibit, Heritage, History, Lewis And Clark, Museum, Native Art, Tour