Lake between Vermont and New York, U.S. Located on the states' northern boundaries and extending into Canada about 6 mi (10 km), it is about 125 mi (200 km) long and has an area of 430 sq mi (1,115 sq km).
It was visited in 1609 by Samuel de Champlain . In 1776 it was the scene of the first British-American naval battle and in 1814 of a U.S. naval victory over the British. A link in the waterway between New York City's harbour and the lower St. Lawrence River , it is used extensively for commercial and pleasure-boat navigation.