Greenbrook is located 0.8 mi north of E Clinton and 9W intersection. 4.7 miles north of the George Washington Bridge, off U.S. Route 9W.

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Northbound Directions: Take the Palisades Interstate Parkway North to Exit 1. At the stop sign of the exit ramp turn right. At the first traffic light turn right onto Route 9W North. At the 4th traffic light (East Clinton Ave.), the road narrows from two lanes to one. The entrance to Greenbrook is 0.8 miles north of East Clinton Ave. on the right side.

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Southbound: Take Exit 2 off the Palisades Interstate Parkway. Make a left onto Route 9W – headed south. You will go through 2 traffic lights and one blinking light. Pass the sign for Tamcrest Estates and watch for the large brown Greenbrook Sanctuary sign on the left at our entrance road