Volendam Windmill is a smock mill located on Adamic Hill Road in Holland Township, New Jersey, United States. The windmill was designed and built in 1965 by Paul Jorgenson. The Volendam Windmill Museum is a working mill driven by wind, used for grinding raw grain into flour. The 60-foot structure is seven stories high with sail arms 68 feet from tip to tip. In 2007, two of the sail arms of the windmill were damaged in a windstorm. As of 2021, the county's website shows that the museum is closed.