Tour Ariane (English: Ariane Tower)(previously known as tour Générale between 1973–1995) is an office skyscraper located in La Défense, the high-rise business district situated west of Paris, France. Built in 1975, it belongs to the 2nd generation of skyscrapers in La Défense. The tower is 152 m (499 ft) tall and has 36 floors.