Inspired by the Redwood forests of Northern California , the Mulleavy sisters co-wrote the script for the film over the course of two years . '' Woodshock '' was filmed on location in Humboldt County , California in the summer of 2015 . Kirsten Dunst , who prepared for the role over the course of a year , also served as the film 's executive producer . The film had its world premiere at the 74th Venice International Film Festival , before receiving a limited release in the United States on September 22 , 2017 by A24
74th Venice International Film Festival
74th Venice International Film Festival
Woodshock