Bradley Mountain, 700 feet (210 m), is a traprock mountain located 3 miles (5 km) west of New Britain, Connecticut, United States, in the towns of Southington and Plainville.It is part of the narrow, linear Metacomet Ridge that extends from Long Island Sound near New Haven, Connecticut, north through the Connecticut River Valley of Massachusetts to the Vermont border. Bradley Mountain, popular as an outdoor recreation destination in the metropolitan Hartford/ New Britain area, is known for its clifftop scenic vistas overlooking Plainville Reservoir, unique microclimate ecosystems, and rare plant communities. Bradley Mountain is traversed by the 62.7-mile (101 km) Metacomet Trail.