• Cannon and Cornfield at Dawn


    National Battlefield Maryland

Operating Hours & Seasons

Open All Year

The Visitor Center is open daily from 9:00 a.m. to 5:00 p.m.

Park Grounds are open daylight hours.

Phone (301) 432-5124

Closed Thanksgiving, Christmas, and New Years Day

Special Programs

Memorial Day Commemoration, Saturday of Memorial Day Weekend

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?

William McKinley as a soldier and president.

William McKinley served at Antietam as a Commissary Sergeant in the 23rd Ohio Infantry before becoming the nation’s 25th President. A monument to him at Antietam was dedicated in his memory on October 13, 1903, two years after he was assassinated.