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Membership Only Events
Events are for members only unless otherwise indicated.
Please RSVP. For details, contact us at 201-784-0484 or email us at pnanaturalist@gmail.com.
Upcoming Events
Multiple Dates
6 days to the event
Oct 17, 2026, 10:00 AM – 11:00 AM
Come join Nancy Hoffman, Ph.D, at Greenbrook's Pavilion
for Tai Chi warm-up exercises and Part I of a Yang style
Tai Chi long form. Classes are suitable for beginners as
well as those with some experience. Feel free to drop in for
a class that fits your schedule. Members may
bring a friend
Multiple Dates
6 days to the event
Oct 17, 2026, 12:00 PM – 3:00 PM
Join us at Arboretum Point as we look for migrating hawks and other birds moving south along the Hudson River.
Come when you want, leave when you want. Binoculars and/or field scopes are recommended.
11 days to the event
Oct 22, 2026, 7:00 PM – 8:00 PM
Join us in the auditorium at Fort Lee Historic Park for organizational updates, sanctuary news, and elections.
Followed by a presentation by Jim Wright on his new book, “The Peregrine Falcon.” with book signing. Please RSVP by calling the Sanctuary 201-784-0484 by October 20, 2026.
Multiple Dates
13 days to the event
Oct 24, 2026, 10:00 AM – 11:00 AM
Come join Nancy Hoffman, Ph.D, at Greenbrook's Pavilion
for Tai Chi warm-up exercises and Part I of a Yang style
Tai Chi long form. Classes are suitable for beginners as
well as those with some experience. Feel free to drop in for
a class that fits your schedule. Members may
bring a friend
13 days to the event
Oct 24, 2026, 1:00 PM – 2:30 PM
Hike from the most southern vista, Patriots Leap, to the most northern, Bald Eagle Point. This a is a long hike on
rocky trails, with many hills and valleys, but the views are spectacular.
27 days to the event
Nov 07, 2026, 1:00 PM – 2:30 PM
A walk that completely circles Greenbrook Pond.
34 days to the event
Nov 14, 2026, 10:00 AM – 12:00 PM
We will be clearing unwanted and old vegetation from the bog. The conditions are wet and muddy.
Please wear durable outdoor clothes and shoes. Don’t forget a good pair of work gloves.
41 days to the event
Nov 21, 2026, 1:00 PM – 3:00 PM
This long and scenic hike covers all the waterfalls and cascades found inside the boundaries of Greenbrook
Sanctuary. Reminder, this a is a long hike on rocky trails, with many hills and valley. Please wear sturdy hiking
shoes and bring your cameras.
Membership is required to enjoy our park as well as all the events.
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