Kaj Grönberg, creator of Rumpnissarna, is coming to Filmbyn on March 2nd.

A warm welcome to a lecture at Filmbyn on Sunday, March 2nd at 16-17pm with Kaj Grönberg who will tell you about how it went when Ronja Rövardotter was filmed in 14 different locations in Sweden in 1983-1984. Tage Danielsson directed, Per Åhlin made sketches and Astrid Lindgren was very involved in the film's production. On this page you can read about everyone who was involved in this major film production and many testify to the great interest in this film. Read more about Kaj Grönberg here: Kaj Grönberg - SFdb

On Wikipedia we find this information:

Lindgren had started writing the book in 1979 and even before the book was finished, she and the director had Olle Hellbom began to consider how the book could be adapted for film. In the spring of 1982, Hellbom had been busy with financing, finding collaborators and a suitable filming location when he suddenly passed away in June 1982.

When the recordings started in the fall of 1983, Tage Danielsson taken over. The exteriors were shot on The Sorrowful Night i Dalsland, Great Blue Lake i Jämtland, King's Gap i fjällbacka as well as at Haga Castle Ruins i SolnaOn the mountain Sörknatten you can find the places where the backdrop of Mattisborgen stood, "Helvetesgapet" and Björngrottan. The Glupafallet (The Ristafallet) and where Ronja and Birk floated downstream holding on to a birch, lies in Indalsälven, next to Undersåker i Jämtland CountyRonja's spring cry was recorded in Söndre forest on Halland's Väderö.

The indoor scenes were shot in a studio in Oslo and Stockholm , and  Tykarp Cave (Mattisborgens ölkällare). In June 1984, the filming was completed and the film premiered at Christmas 1984.

Here is more info and all the people who were involved in the film production: Ronja the Robber's Daughter (film) – Wikipedia