| Rosaryville State Park | |
|---|---|
.jpg) Mount Airy Mansion, Rosaryville State Park, 2016 | |
  Rosaryville State Park Location in Maryland | |
| Location | Rosaryville, Maryland, United States |
| Coordinates | 38°46′27″N 76°48′40″W / 38.77417°N 76.81111°W |
| Area | 1,227 acres (497 ha)[1] |
| Elevation | 161 ft (49 m) |
| Established | 1976 |
| Administered by | Maryland Department of Natural Resources |
| Designation | Maryland state park |
| Website | Official website  |
Rosaryville State Park is a public recreation area with historical features located three miles southeast of Joint Base Andrews (formerly Andrews Air Force Base) in Rosaryville, Prince George's County, Maryland. The state park includes the restored Mount Airy Mansion, which was formerly operated as an event facility, as well as hiking, biking and equestrian trails for day-use.[1]