Cathedral: The Fight to Save the Ancient Hemlocks of Cook Forest 30-08-19 20:00 - 20:00 https://events.dcnr.pa.gov/event/cathedral_the_fight_to_save_the_ancient_hemlocks_of_cook_forest_2285#.XWUNEndFyUk PA DCNR: Cook Forest State Park NEW Cook Forest Park Office New Park Office Related upcoming events Woodsy Owl Workday 19-10-19 08:00 - 19-10-19 13:30 No additional details for this event. Cathedral by Candlelight 31-10-19 19:00 - 31-10-19 21:00 No additional details for this event. Cook Forest Gingerbread Tour 01-11-19 - 03-11-19 All day No additional details for this event. Festival of Trees 06-12-19 - 07-12-19 All day No additional details for this event.