We will be removing debris from the entrance road and the parking lot. Please wear sturdy shoes, warm clothes, and work gloves.

75th Annual Hackensack-Ridgewood Christmas Bird Count sponsored by the Bergen County Audubon Society

HIke through the Sanctuary at night to view and identify winter constellations. Bring flashlights and binoculars.

We will look for signs of winter wildlife, around the pond and along the trails of Greenbrook. Bring binoculars

Come watch a full moon rise over the Hudson River. Then hike along the cliff edge under its celestial glow.

A short but breathtaking hike to the southernmost vista of Greenbrook.

Meet in the south parking lot by the Visitors Center at the end of Morris Pesin Drive. We will look for winter waterfowl and other wintering birds in this large open park. Dress for cold and windy weather.

The first hike of the new year. A brisk walk to the most panoramic vista of Greenbrook and its iconic waterfall.

Hike through the Sanctuary at night to view and identify winter constellations. Bring flashlights and binoculars.

Learn to Identify trees using bark, buds and twigs.

Take advantage of the Angelo D’Angelo Bird blind to photograph some winter birds. Cameras with long (300-500mm) lenses are highly recommended.

A hike around Greenbrook pond, culminating in the highest point in Greenbrook.

The Hike to the most northern Vista of Greenbrook Sanctuary.

Enjoy a hike through Greenbrook to look for signs of animal activity in the snow. This hike will commence with or without snow on the ground. Binoculars are highly recommended.

Discover the rocks, minerals and geological forces that shaped the Palisades.