Great Falls

Great Falls is a city in and the county seat of Cascade County, Montana, United States. The population was 58,505 at the 2010 census. It is the principal city of the Great Falls, Montana Metropolitan Statistical Area, which encompasses all of Cascade County. Great Falls takes its name from the series of five waterfalls in close proximity along the upper Missouri River basin that the Lewis and Clark Expedition had to portage around over a ten mile stretch; the effort required 31 days of arduous labor during the westward leg of their 1805-06 exploration of the Louisiana Purchase and to the Pacific Northwest Coast of the Oregon Country. Each falls sports a hydroelectric dam today. Two undeveloped parts of their portage route are included...