Picnic at Hanging Rock is a 1975 Australian mystery drama film which was produced by Hal and Jim McElroy , directed by Peter Weir , and starred Vivean Gray , Dominic Guard ,Anne-Louise Lambert , Helen Morse , and Rachel Roberts . It was adapted by Cliff Green from the 1967 novel of the same name by Joan Lindsay , who was deliberately ambiguous about whether the events really took place, the story is in fact entirely fictitious.
The plot involves the disappearance of several schoolgirls and their teacher during a picnic at Hanging Rock , Victoria on Valentine’s Day in 1900, and the subsequent effect on the local community. Picnic at Rock Hanging was a commercial and critical success. On 6 September 2016 it was announced that Fremantle Media and pay-TV broadcaster Foxtel would be producing a six-part miniseries based on the film, to be broadcast in 2017.