Houvenkopf or Hovenkopf Mountain is a mountain in Bergen County, New Jersey, extending into New York, where it forms the western side of the southern entrance to Ramapo Pass. The major peak on the New Jersey side rises to 931 feet (284 m) and is known as Stag Hill. It is separated by a deep saddle from the major peak on the New York side, the "Hooge Kop" proper, which rises to about 770 feet (230 m) and overlooks Hillburn to the north and Suffern to the east.