Sylvester Baxter Riverfront Park Mystic River

Ten Hills is a neighborhood in the northeastern part of the city of Somerville, Massachusetts. The area is roughly wedge-shaped, about 50 acres (200,000 m2) in size, and is bounded by the Mystic River to the north, McGrath Highway to the east, and is largely separated from the rest of Somerville by Interstate 93 to the southwest.

The Harvard Ukrainian Research Institute (HURI) is a research institute affiliated with Harvard University devoted to Ukrainian studies, including the history, culture, language, literature, and politics of Ukraine. Other areas of study include sociology, archaeology, art, economics, and anthropology.

The Mystic River 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.