Where was The Long, Long Trailer filmed?

1954 film by Vincente Minnelli

The Long, Long Trailer (1954) was filmed in Yosemite National Park, Sierra Nevada, Laguna Beach, Palm Desert, El Capitan, Yosemite Falls and 3 more places, 9 places named in its Wikipedia article, 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