Greenbrier State Park

Greenbrier State Park
Maryland State Park
Sunset over Greenbrier Lake
Country	United States
State	Maryland
Counties	Frederick, Washington
Elevation	1,027 ft (313 m)
Coordinates	39°32′10″N 77°37′25″W / 39.53611°N 77.62361°W / 39.53611; -77.62361Coordinates: 39°32′10″N 77°37′25″W / 39.53611°N 77.62361°W / 39.53611; -77.62361
Area	1,407 acres (569 ha)
Developed	1964-1978
Management	Maryland Department of Natural Resources
Location in Maryland
Website: Greenbrier State Park

Greenbrier State Park is a public recreation area located on South Mountain near Boonsboro in Washington County, Maryland, USA. The state park has camping, hiking trails and a 42-acre (17 ha) man-made lake. It is managed by the Maryland Department of Natural Resources.

The park offers camping, fishing, boat launch and rentals, swimming, hiking, picnicking, mountain biking and hunting. The park's visitor center is open year-round, its nature center seasonally.

Greenbrier State Park contains ten maintained trails: Bartman Hill Trail, Big Red Trail, Camp Loop Trail, Copperhead Trail, Green Trail, Marked Mile, Rock Oak Fire Trail, Snelling Fire Trail, Water Tank Trail, and Yellow Trail. Trail difficulties range from easy to strenuous, and lengths range from .4 miles (0.64 km) to 4.5 miles (7.2 km). All trails are open to hikers, and most are open to mountain bikes. In addition, the Appalachian Trail crosses a corner of the park and can be accessed from the Bartman Hill Trail.

Greenbrier Lake is a 42-acre, man-made lake with 1,000-foot (300 m) beach and swimming area that gradually reaches a depth of six feet. Fishing for trout, bass, or bluegill is permitted on the lake, with a state-issued license required for those 16 or older.

In 1995, two rare albino deer were spotted in the park. In 2008, the park received a federal grant for $130,000 to build concrete culverts to allow box turtles to safely cross Keadle Road within the park. The pilot program was the first of its kind in the United States.