Alewife Brook Parkway is a short parkway in Cambridge and Somerville, Massachusetts. It is listed on the National Register of Historic Places. It begins at Fresh Pond in Cambridge (linking to Fresh Pond Parkway via Concord Avenue), and heads north on the east bank of Alewife Brook, crossing into West Somerville and ending at the Mystic River on the Medford town line, where it becomes Mystic Valley Parkway. The entire length of Alewife Brook Parkway is designated as part of Massachusetts Route 16 (Route 16), while the southernmost sections are also designated as part of Route 2 and U.S. Route 3 (US 3). It is managed by the Department of Conservation and Recreation with the Massachusetts Department of Transportation responsible for bridge maintenance.