In the St. Lawrence River between Kingston and Brockville, the park consists of more than 20 widely scattered islands among the Thousand Islands and a 39-hectare (96-acre) area at Mallorytown Landing on the mainland. The park's headquarters, picnic areas and a children's play area are at the Mallorytown Landing location. A visitor center has displays about the natural and cultural history and settlement of the Thousand Islands region. Learn More...