| Mountains on Fire | |
| Music: | Giuseppe Becce |
| Studio: | Les Films Marcel Vandal et Charles Delac |
| Runtime: | 109 minutes |
| Country: | Germany |
| Language: | German |
Mountains on Fire (German: '''Berge in Flammen''') is a 1931 German war film directed by Karl Hartl and Luis Trenker and starring Trenker, Lissy Arna and Luigi Serventi. The film was based on Luis Trenker's novel of the same title, partly based on his own experiences. Separate French and English-language productions were also made.
Shortly before the First World War, an Italian and an Austrian take part in a mountaineering expedition together. Not long afterwards they find themselves fighting on different sides.[1] The plot also features references to the mines on the Italian front.