The Secret of Mountain Lake (Russian: Тайна горного озера) is a 1954 Soviet adventure film directed by Aleksandr Rou.^[1][2][3]

In the fields and gardens of a large village in the mountains of Armenia there is a severe drought. In the past, there was a legend, according to which a river flowed here, but a monster named Deve hid its waters from the inhabitants of the village. Suddenly the village is visited by a group of geologists. Residents of the village of Kamo, Nikita and Grikor decide to help them.^[4]

• Gurgen Gabrielyan as Grandfather Asatur
• Ye. Harutyunyan as Granny Nargiz
• V. Danielyan as Aram Mikhailovich
• George Ashughyan as Bagrat Stepanovich (as G. Ashughyan)
• Tatul Dilakyan as Eghishe
• Arus Asryan as Sona
• L. Leonidov as Andrey Petrovich
• Vahagn Bagratuni as Geologist (as V. Bagratuni)
• Garri Musheghyan as Geologist (as G. Musheghyan)
• Lilik Hovhannisyan as Karine
• B. Kerobyan as Dev
• Nerses Hovhannisyan^[5] as Kamo^[6]

• The Secret of Mountain Lake at IMDb