A Fortress in the Mountains (Russian: Застава в горах, romanized: Zastava v gorakh) is a 1953 Soviet adventure film directed by Vladimir Gerasimov and Konstantin Yudin and starring Vladlen Davydov, Marina Kuznetsova and Yelena Shatrova. It was made by Mosfilm using the Sovcolor process. It was the third most successful Soviet film at the box office that year, with attendance figures of 44.8 million.

The film is an early Cold War action thriller, set in Central Asia.