Fort Frances is a town in, and the seat of, Rainy River District in Northwestern Ontario, Canada. The population as of the 2011 census was 7,952. Fort Frances is a popular fishing destination, it hosts the Fort Frances Canadian Bass Championship annually.Located on the international border with the United States where Rainy Lake narrows to become Rainy River, it is connected to International Falls, Minnesota, by the Fort Frances–International Falls International Bridge. The town is the third largest community of Northwestern Ontario after Thunder Bay and Kenora. The Fort Frances Mill was formerly the main employer and industry in the town until its closure in January 2014.HistoryThis was the first European settlement west of Lake Superior; it was established by French Canadian Pierre Gaultier de Varennes, sieur de La Vérendrye, first commander of the western district. In 1731 he built Fort Saint Pierre near this spot as support for the fur trade with native peoples. In 1732 his expedition built Fort Saint Charles on Magnuson Island on the west side of Lake of the Woods. After some time, Fort St. Pierre fell out of use.