Just a short drive from Canada's capital, Ottawa, lies the picturesque Thousand Islands region. This vast expanse of water on the St. Lawrence River, dotted with over a thousand uniquely shaped islands, is renowned for its distinctive island scenery, romantic castle legends, and the unique aquatic culture of the US-Canada border. This guide outlines a 2 to 3-day highlights tour, taking you on scenic cruises, exploring a national park, and experiencing the charm of historic towns.