Hemlock Ravine

The Hemlock Ravine comprises a large portion of the nature preserve.  The hemlocks are endangered by an exotic insect, the hemlock wooly adelgid (HWA).


May - June 2022 Open Days at Flying Trillium

May 27-30 (Memorial Day Weekend) and June 3-5
All Tours by Appointment

Request tours at flyingtrillium@gmail.com or call us at 845-292-6424.  Address and directions provided as tour appointments are confirmed. To plan driving time, we are located near the Neversink Reservoir in Sullivan County, NY. We are NOT located in Tarrytown, NY.