The Secret of the Mountain Lake (German: Das Geheimnis vom Bergsee) is a 1952 drama film directed by Jean Dréville and starring Harriet Geßner, Lil Dagover and Fredy Scheim.

[1] It was made as a co-production between France, Switzerland and West Germany.

A separate French-language film, The Girl with the Whip, was also released.

It was shot at the Billancourt Studios in Paris and on location around Verbier, Saas-Fee and the Forest of Fontainebleau.

This article related to a German film of the 1950s is a stub.