- HD 1080
- Runtime: 97m.
- Status: Released
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- Languages: it
- Country: Italy
- Director: Fernando Di Leo
- Stars: Klaus Kinski, Rosalba Neri, Jane Garret, Margaret Lee, John Karlsen
- keywords: rage and hate, nurse, shower, underwear, orderly, longing, nymphomaniac, murder, dark killer, arrow, clinic, whodunit, kissing
- Production_studio: Cineproduzioni Daunia 70
- Slogan: A Place Where Nothing Is Forbidden!
- The Slaughter Hotel is featured in the top rankings of 1971
- #64 in Top Thriller Movies of 1971
- #32 in Top Mystery Movies of 1971
- #65 in Top Horror Movies of 1971
A masked killer stalks an institution for mentally disturbed rich women.
