Where was The Sky Pilot filmed?

1921 film by King Vidor

The Sky Pilot (1921) was filmed in Sierra Nevada, Banff, Truckee and Wainwright, 4 places named in its Wikipedia article, in Canada, the United States. Wikidata records no filming location for it at all, so the article is the only recorded source. Each place says where its claim comes from.

See them on the map → Wikipedia Source data