* Based on the Heidi novels by Johanna Spyri.This OVA together with Alps no Shoujo Heidi: Heidi to Clara Hen provides an alternative cut and thus a longer summary of the TV series compared to the earlier Alps no Shoujo Heidi Theatre Film. They also replaced the changed voice actors with the ones from the series.
- Other Title: Alps no Shoujo Heidi: Alm no Yama-hen, アルプスの少女ハイジ アルムの山編, Heidi: Kindheit in den Bergen, Heidi Vuelve a las Montañas, heidi ova 1, Heidi – Mt Alm, Heidi – A Summer in the Mountains
- Status: Completed
- Sub/Dub: Anime Sub
- Anime Type: Movie
- Genres: Drama, Historical, Slice of Life, Slice Of Life
- Score: 6.58
- Rank: 6175
- Popularity: 10614