Heidi in the Mountains (1975)
Heidi (1974) Japanese anime series by Zuiyo Eizo (now Nippon Animation) based on the Swiss novel Heidi's Years of Wandering and Learning by Johanna Spyri (1880). It was directed by Isao Takahata A feature-length film Heidi in the Mountains, aka The Story of Heidi, was edited from the series by Zuiyo