What was the 2010 population of the city that lies 2.64 miles west of the Bad Rock Canyon?
Bad Rock Canyon: Bad Rock Canyon is a river canyon lying 2.64 mi east of Columbia Falls, Montana. Columbia Falls, Montana: Columbia Falls (Salish: nq̓éyɫkʷm) is a city in Flathead County, Montana, United States. Columbia Falls, Montana:  The population was 4,688 at the 2010 census.
4,688