Tour Maine-Montparnasse (Maine-Montparnasse Tower), also commonly named Tour Montparnasse, is a 210-metre (689 ft) office skyscraper located in the Montparnasse area of Paris, France. Constructed from 1969 to 1973, it was the tallest skyscraper in France until 2011, when it was surpassed by the 231-metre (758 ft) Tour First. It remains the tallest building in Paris outside of the La Défense business district. As of February 2020, it is the 14th tallest building in the European Union. The tower was designed by architects Eugène Beaudouin, Urbain Cassan, and Louis Hoym de Marien and built by Campenon Bernard. On September 21, 2017, Nouvelle AOM won a competition to redesign the building's facade.