Open Year Round
Visitor Center Open 7 Days a Week from 9:00 a.m. - 4:00 p.m.
Park and Visitor Center closed Thanksgiving, December 25, and January 1.
Phone (301) 432-5124
- Memorial Day Commemoration (Monday of Memorial Day Weekend at the National Cemetery)
- Independence Day Commemoration (First Saturday in July)
- Anniversary of the Battle of Antietam (Sharpsburg), September 17
- Memorial Illumination (First Saturday in December)