West Nyack is a hamlet in the town of Clarkstown Rockland County. It is located north of Central Nyack; east of Nanuet; south of Valley Cottage and west of Upper Nyack. It has a total area of 2.9 square miles, all of which is land and the population is over 3,000. West Nyack is home to one of the largest malls in the country, Palisades Center Mall, which is located along Route 59, Route 303 and the New York State Thruway.