Higby Mountain or Mount Higby 892 feet (272 m), is a traprock mountain ridge located 3.75 miles (6.04 km) east of Meriden, Connecticut. 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. Higby Mountain is known for its high cliff faces, unique microclimate ecosystems, and rare plant communities. It rises steeply 600 feet (180 m) above the Quinnipiac River valley and the city of Meriden to the west as a continuous 2-mile (3 km) long ledge.