Original: Lake Champlain (French: lac Champlain) is a natural, freshwater lake in North America, located mainly within the borders of the United States (states of Vermont and New York) but partially situated across the Canada – United States border in the Canadian province of Quebec.
Simplified: Lake Champlain is a natural freshwater lake in North America along the borders of New York and Vermont and partially across the United States-Canada border in the province of Quebec.