El hundimiento
- annos singulos: 1983
- Patriam: France, Spain
- genus: Horror
- Studio: Eurociné, Elite Film
- keyword: based on novel or book, supernatural, mad scientist, curse, mansion, occult
- Director: Jesús Franco
- cast: Howard Vernon, Daniel White, Jean Tolzac, Analía Ivars, Françoise Blanchard, Olivier Mathot