Mount Upton is a hamlet on the Unadilla River in the town of Guilford in Chenango County, New York, United States. 1104 County Road 37, Mt. Upton, NY - 1911 E. J. Richmond (1825-1918), author 42°25′35″N 75°23′00″W This article about a location in Chenango County, New York is a stub. You can help Wikipedia by expanding it.vte