Northwest History Films from North of the Border
Voyageurs ,The, National Film Board of Canada
The National Film Board of Canada has hundreds of movies online. You can stream them for free or pay for a download or DVD. The films are both historic and contemporary and cover an array of topics, including history (here is the history page). Above is a 1964 film, The Voyageurs.
There is a lot of northwest content here, with additional films on the fur trade, Red River, and native peoples of the Canadia northwest. Enjoy.