East Rock of south-central Connecticut, United States, with a high point of 366 feet (112 m), is a 1.4-mile (2 km) long trap rock ridge located on the north side of the city of New Haven. A prominent landscape feature and a popular outdoor recreation area with cliffs that rise 300 feet (91 m) over the city below, East Rock is part of the narrow, linear Metacomet Ridge that extends from Long Island Sound near New Haven, north through the Connecticut River Valley of Massachusetts to the Vermont border. East Rock is the central feature of East Rock Park, a municipal park owned by the city of New Haven along the New Haven-Hamden town line.