Fort Assinniboine

US Hwy 87 southwest of town Phone: ☎ +1 406 265-4000

About

Fort Assinniboine, US Hwy 87 southwest of town, ☎ +1 406 265-4000 (+1 406 265-8336), [3]. June 1-Labor Day: tours begin at noon and 5PM daily. Fort built by the United States Army in 1879, in the aftermath of the Great Sioux War of 1876. $6 adults, $5 seniors, $4 students, children under 6 free. (48.499722,-109.794167)