Facility Hours

Bollinger Mill State Historic Site


2025-2026 State Holidays

On the following days (actual or observed), staff will not be available and site buildings will be closed: Thanksgiving Day; Nov. 28, 2025; Christmas Eve; Christmas Day; New Year’s Eve; New Year’s Day; Martin Luther King Jr. Day; Lincoln’s Birthday; and Washington's Birthday.

Know Before You Go: Park and Site Status Map

For temporary closures related to weather, stewardship activities and maintenance, as well as temporary trail closures, please visit our Park and Site Status Map.

Historic Site Grounds:

Sunrise to sunset, year-round

Bollinger Mill

April through October (On-Season)

10 a.m. to 4 p.m., Tuesday through Saturday

Noon to 4 p.m., Sunday

Guided tours are offered during the above hours, with the last tours beginning at 3 p.m.

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

Guided tours are offered during the above hours, with the last tour beginning at 3 p.m.

Closed Monday through Wednesday

Historic Site Office - Bollinger Mill

8 a.m. to 4:30 p.m., Monday through Friday, year-round