The newly redesigned zipline at Turtle Back Zoo in Essex County, New Jersey measures over 100 yards (longer that a traditional football field) and sites 40 feet in the air! Children must be at least 6 years old to ride the zipline and they must weigh at least 60 pounds. For adults, the maximum weight is 250 pounds to zipline. Also try your hand at their world class aerial obstacle course that reaches over 35 feet in height! Reservations can be made only up until one day before your visit, at www.turtlebackzoo.com. Please note that you do not need to enter Turtle Back Zoo in order to participate in the Treetop Adventure Course. Please follow the directional signage in the parking lot to access the walkway to the facility.