Where was Onibaba filmed?

1964 Japanese film by Kaneto Shindō

Onibaba (1964) was filmed in Lake Inba, 1 place named in its Japanese Wikipedia’s 概要 section, in Japan. 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

Places per Japanese Wikipedia's 概要 section

Japanese Wikipedia’s 概要 section names 1 place. Each links to the sentence that says so.