Where was Summer Storm filmed?

2004 film directed by Marco Kreuzpaintner

Summer Storm (2004) was filmed in Remscheid, Lake Starnberg, Bergisches Land and Bevertalsperre, 4 places named in its Wikipedia article, in Germany. 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