Where was North West Mounted Police filmed?

1940 film by Cecil B. DeMille, Arthur Rosson

North West Mounted Police (1940) was filmed in Rocky Mountains, 1 place named in its Spanish Wikipedia’s article, in the United States. Wikidata itself records the shoot only as California. Each place says where its claim comes from.

See them on the map → Wikipedia Source data

Places per Spanish Wikipedia's article

Spanish Wikipedia’s article names 1 place. Each links to the sentence that says so.

Recorded only at country level

Also filmed in California, but the exact places are not known, so they are not on the map.

Filming locations that are mapped there: United States

Its Wikipedia article also says it was filmed in Canada, Saskatchewan, without naming a place, so it is not on the map.

Also shot in these places