Where was Rooster Cogburn filmed?

1975 American western film directed by Stuart Millar

Rooster Cogburn (1975) was filmed in Deschutes County, Josephine County, Curry County, Rogue River, Deschutes River and Smith Rock State Park, 6 places named in its Wikipedia article's Production 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