Peter's Rock, also known as Rabbit Rock, Rabbit Hill, Indian Rock and Great Rock, with a high point of (est.) 373 feet (114 m) above sea level, is a trap rock peak located 4 miles (6 km) northeast of downtown New Haven, Connecticut in the town of North Haven. It is part of the Metacomet Ridge that extends from Long Island Sound near New Haven, north through the Connecticut River Valley of Massachusetts to the Vermont border. Peter's Rock is known for its scenic views, unique microclimate ecosystems, rare plant communities, and columnar basalt rock formations.