Great Falls is a city in Cascade County, Montana, United States populated by around 56,690 in 2000. It is the main city of the 'Great Falls, Montana Metropolitan Statistical Area. During the Lewis and Clark Expedition a series of waterfalls were discovered thus the origin of the name.

One can also find the C. M. Russell Museum Complex, the University of Great Falls, Giant Springs, the Roe River, hailed in the world as the shortest river. Abundance of water turned the city as an "Electric City" powered by five hydroelectric dams near the Missouri River. A local newspaper is the Great Falls Tribune.

According to the Coldwell Banker Home Price Comparison Index Great Falls is considered as an affordable area. For its climate, the chinook wind can affect its winter in Great Falls making it just mild, but absence of this wind can produce unbearable cold temperatures.

The famous national incident, Mariana UFO Incident happened in Great Falls where two "bright, silvery spheres" are seen in an empty baseball stadium.