Hemlock Woolly Adelgid: Information & Practical Seminar 14-09-19 14:00 - 16:00 https://events.dcnr.pa.gov/event/hemlock_woolly_adelgid_information_practical_seminar#.XWUP-3dFyUk PA DCNR: Cook Forest State Park NEW Cook Forest Park Office Related upcoming events Spotting Pennsylvania's Elusive White-tail Deer 25-09-19 19:30 - 25-09-19 22:30 No additional details for this event. Owl Prowl 26-09-19 20:00 - 26-09-19 20:00 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.