Park Hours
For temporary closures related to weather, stewardship activities and maintenance, as well as temporary trail closures, click here to visit our Park and Site Status Map.
On the following days (actual or observed), staff will not be available and site buildings will be closed: Thanksgiving Day; Nov. 24, 2023; Christmas Eve; Christmas Day; New Year’s Eve; New Year’s Day; Martin Luther King Jr. Day; Lincoln’s Birthday; and Presidents Day.
Historic Site Grounds:
Sunrise to sunset, year-round
Bollinger Mill hours
Tours
Guided tours are currently unavailable. The first floor and basement are open for self-guided tours. All other levels remain closed. For more information, please call the site office at 573-243-4591 or visit our Park and Site Status Map.
April through October (On-Season)
10 a.m. to 4 p.m., Tuesday through Saturday
Noon to 4 p.m., Sunday
Closed Monday (except Memorial Day and Labor Day)
November through March (Off-Season)
10 a.m. to 4 p.m., Thursday through Saturday
Noon to 4 p.m., Sunday
Last tour begins at 3 p.m.
Historic Site Office hours
8 a.m. to 4:30 p.m., Monday through Friday, year-round