Welcome to Bergen County's Hidden Gem of Nature
Palisades Nature Association, (PNA) is a non-profit organization of conservation-minded people, founded in 1946 to preserve the natural character of the Palisades cliffs and to develop a wild sanctuary. Today PNA administers Greenbrook Sanctuary. Members are required to follow the rules and regulations to support our conservation efforts, ensure the safety of fellow members, preserve the wildlife and natural environment of Greenbrook Sanctuary.
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Rules & Regulations
No pets are allowed in the Sanctuary in order to preserve the natural environment
No fishing
No biking is allowed on the trails
No cross country skiing
No sharing or loaning Sanctuary keys
Members must lock the gate upon entering and leaving, exercise care not to allow non-members to enter
For members and visitor's protection, names must be logged on the registration list at the bulletin board in the parking area
The Sanctuary is open to members dawn to dusk
To prevent fires and litter, smoking is allowed only in the parking area, and eating is allowed only in the picnic area
Members must remain on marked trails only and must not remove or disturb plants or animals
Snowshoes are permitted on the trail
Member's guests are welcome, but membership is required if visits are repeated
Family members under 17 years of age must be accompanied by an adult at all times
All groups, school children, adults, or otherwise, must arrange for the trip to the Sanctuary through the Director-Naturalist