via Google Maps · Alex PennCove TuckerTourist AttractionDumbarton Stone Bridge 4.5 (8) Open until 11:59 PMSaveAddressDumbarton Oaks Park, R St NW, Washington, DC 20008Websitehttps://www.nps.gov/places/dumbarton-oaks-park.htm HoursMonday: Open 24 hoursTuesday: Open 24 hoursWednesday: Open 24 hoursThursday: Open 24 hoursFriday: Open 24 hoursSaturday: Open 24 hoursSunday: Open 24 hours← Back home