Park Hours
Fort Union Trading Post National Historic Site is open daily throughout the year except for Thanksgiving, Christmas, and New Years Days.
Although located in two time zones, Fort Union operates on central time.
Summer Hours (Memorial Day through Labor Day): Daily from 8 a.m. to 6:30 p.m. Central Time (CT)
Winter Hours (Labor Day to Memorial Day): Daily from 9 a.m. to 5:00 p.m. Central Time (CT)