Montagne (Le Montàgne in local dialect) was a comune (municipality) in Trentino in the northern Italian region Trentino-Alto Adige/Südtirol, located about west of Trento. As of 31 December 2004, it had a population of 293 and an area of . It was merged with Preore and Ragoli on January 1, 2016, to form a new municipality, Tre Ville.
The municipality of Montagne contains the frazioni (subdivisions, mainly villages and hamlets) Cort, Larzana and Binio.
Montagne borders the following municipalities: Ragoli, Spiazzo, Bocenago, Pelugo, Stenico, Villa Rendena, Vigo Rendena, Darè and Preore.