Where was Son of Lassie filmed?

1945 film by S. Sylvan Simon

Son of Lassie (1945) was filmed in Vancouver Island, Banff National Park, Culver City, Lake Louise, Jackson Hole, Victoria International Airport and 1 more place, 7 places named in its Wikipedia article, in the United States, Canada. Wikidata itself records the shoot only as Alberta, British Columbia. Each place says where its claim comes from.

See them on the map → Wikipedia Source data

Places per Wikipedia's article

The Wikipedia article names 7 places. Each links to the sentence that says so.

Recorded only at country level

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

Filming locations that are mapped there: Canada

Also shot in these places