Riverside is an unincorporated community in Ravalli County, Montana, United States.
It sits at an elevation of 3,517 feet.
[1] A post office operated in Riverside for a short time: it was established on January 16, 1889 and closed on May 28, 1895.
[2] The community once possessed a railroad station, which is no longer in existence; at various times, it was known as Riverside, Haggin, or River Siding.
This Ravalli County, Montana state location article is a stub.