Where was The Big Trail filmed?

1930 film by Raoul Walsh

The Big Trail (1930) was filmed in Sacramento, Grand Canyon, Yellowstone National Park, Yuma, Grand Teton National Park, Lake County and 1 more place, 7 places named in its German Wikipedia’s Hintergrund section, in 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