The park is open during daylight hours. Some of the park's six visitor centers operate on a seasonal schedule. Contact one of the visitor centers for current hours of operation.
Georgetown: 1057 Thomas Jefferson St., NW, Washington, DC 20007 202-653-5190
Great Falls Tavern: 11710 MacArthur Blvd, Potomac, MD 20854 301-767-3714
Brunswick: 40 West Potomac Street Brunswick, MD 21716 301-834-7100
Williamsport: 205 W. Potomac St., Williamsport, MD 21795 301-582-0813
Hancock: 326 E. Main St., Hancock, MD 21750 301-678-5463
Cumberland: Western Maryland Railway Station, Room 100, 13 Canal St., Cumberland, MD 21502 301-722-8226