Mystic River Reservation

Mystic River State Reservation
A view of the park and the Mystic Valley Parkway in Arlington
Location in Massachusetts
Mystic River Reservation (the United States)
LocationMiddlesex and Suffolk counties, Massachusetts, United States
Coordinates42°26′00″N 71°08′58″W / 42.4334291°N 71.1494984°W / 42.4334291; -71.1494984
Area329 acres (133 ha)
Elevation7 ft (2.1 m)
Established1893
AdministratorMassachusetts Department of Conservation and Recreation
WebsiteOfficial website

Mystic River State Reservation is a publicly owned nature preserve with recreational features located along the Mystic River in the towns of Winchester, Arlington, Medford, Somerville, Everett, and Chelsea in eastern Massachusetts. The reserve is part of the nearly 76-square-mile (200 km2) Mystic River watershed. It is managed by the Massachusetts Department of Conservation and Recreation.