Mont Alto Map
Mont Alto is a borough in Franklin County, Pennsylvania, United States. The population was 1,357 at the 2000 census.
John Funk built the first house in the borough (then unestablished) in 1817 on what is now Main Street. At this time the town was known as Funkstown. Eventually the town of Altodale and the surrounding area, called Mont Alto, combined into what is now known as Mont Alto.
In 1915 the town of Mont Alto was incorporated with a population of 800.
Nearby cities include Orrtanna, Fairfield, Sabillasville, State Line, Smithsburg.