Île Sainte-Hélène is a small island located in the Saint Lawrence River near Montreal, Canada. It is part of the City of Montreal and covers an area of approximately 1.5 square kilometers. The island is known for its beautiful parks, recreational areas, and historical significance, including the Expo 67 world's fair. The island is home to several attractions, such as the La Ronde amusement park and the Biosphere, an environmental museum. Visitors can enjoy walking and cycling paths, as well as scenic views of the river and the city skyline. Île Sainte-Hélène is a popular destination for both locals and tourists.