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State Park · Maryland

Rosaryville State Park

Rosaryville State Park
Photo: Preservation Maryland, CC BY-SA 2.0, via Wikimedia Commons
Location
Prince George's County, Maryland
Nearest town
1.1 miles west of Marlton
Type
State Park
DirectionsOfficial park site ↗

About Rosaryville State Park

The restored Mount Airy Mansion stands at the center of this park, a structure once run as a venue for events before the surrounding land became parkland. Beyond the mansion, the grounds are laid out for day use only, with trails set aside separately for hikers, bikers, and equestrians. The park sits a few miles from Joint Base Andrews, in the Rosaryville area of the county.

Hours, fees, camping, reservations and closures are set by the park and change often. Check the official park site before you go.

Getting there

Rosaryville State Park is in Prince George's County, Maryland, 1.1 miles west of Marlton. The Directions button takes you to the park's mapped location; the entrance may be elsewhere, so check the official site for the address to use.

State parks near Rosaryville State Park

Within 60 miles, closest first, straight-line. All 46 in Maryland →

Towns near Rosaryville State Park

State parks near Waldorf, State parks near Bowie, State parks near Washington, State parks near Scaggsville, State parks near Dale City, State parks near Centreville

Facts from Wikidata, checked September 25, 2026. Distances are straight-line.