Montagne was a comune (municipality) in Trentino in the northern Italian region Trentino-Alto Adige/Südtirol, located about 30 kilometres (19 mi) west of Trento. As of 31 December 2004, it had a population of 293 and an area of 12.2 square kilometres (4.7 sq mi). It was merged with Preore and Ragoli on January 1, 2016, to form a new municipality, Tre Ville.