Operating Hours & Seasons
Open All Year
Phone (301) 432-5124
Independence Day Commemoration (First Saturday in July)
Anniversary of the Battle of Antietam (Sharpsburg), September 17
The Memorial Illumination (First Saturday in December)
Did You Know?
60% of Antietam National Battlefield property has been purchased since 1990. The park has more than doubled in size over the last 16 years.