1-888-432-2267
Prince George's County
Rosaryville State Park
7805 West Marlton Avenue
Upper Marlboro, MD 20772
Contact: Park Headquarters 301-888-1410
Duty Ranger is 443-975-4358
Hours: Park is Open 8 a.m. to sunset. All vehicles must exit the park before the gate closes at sunset. If locked in, call Park Watch at 1- 800 825 7275.
Rosaryville is a 1227 acre day-use park with miles of trails for hiking, biking and equestrians. To gain access to Rosaryville State Park, make a right turn into the entrance just south of Osborne Road while traveling south on U.S. 301.
The day use service charges are collected at the automated gate system at the entrance payable via credit card or cash (exact change only). Passholders (Maryland Passport, Golden Age and Universal Disability) may contact the park at 301-888-1410 or by email ([email protected]) to receive an additional swipe card that allows free entry through the automated gate system.
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