Île Notre-Dame is an artificial island located in the Saint Lawrence River in Montreal, Canada. It was created in the 1960s for the Expo 67 world's fair. The island is home to several attractions, including the Montreal Casino and the La Ronde amusement park. The island is also known for its beautiful parks and recreational areas, making it a popular destination for both locals and tourists. Visitors can enjoy walking, cycling, and picnicking while taking in views of the Montreal skyline and the surrounding river.