Where was Forlorn River filmed?

1926 film by John Waters

Forlorn River (1926) was filmed in Bryce Canyon National Park, Zion National Park and Cedar Breaks National Monument, 3 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