"Hanging Rock" is a 1975 Australian film directed by Peter Weir. It is based on the novel "Picnic at Hanging Rock" by Joan Lindsay. The story is set in 1900 and follows a group of schoolgirls from Appleyard College who go on a picnic to the mysterious Hanging Rock in Victoria. During the outing, several girls and their teacher mysteriously disappear, leading to a haunting investigation. The film is known for its atmospheric cinematography and exploration of themes such as innocence, nature, and the unknown. It has received critical acclaim and is considered a classic of Australian cinema, influencing many filmmakers and artists.