<p>The public is invited to join the 2025 Twilight Hike at Fort Mandan State Historic Site in Washburn on Saturday, Sept. 20, from 7:30 to 8:30 p.m. The free tour will be hosted by nationally certified interpreters who will guide participants from the Fort Mandan Visitor Center along the trail beside</p>

We’re spending our annual closure cleaning and reorganizing every nook and cranny, but we’re excited to reopen on September 19th with a Fall Fun Day Celebration!
Come enjoy seasonal activities, hands-on STEAM fun, pop-up experiences on every floor, tasty snacks on the lower level, and a festive day