title: Mongaup Valley, New York
text: # Mongaup Valley, New York
  
  Mongaup Valley is a hamlet (and census-designated place) in Sullivan County, New York, United States. The community is located along New York State Route 17B 5 miles (8.0 km) west of Monticello, and along the Mongaup River. Mongaup Valley has a post office with ZIP code 12762, which opened on June 22, 1848.
  
  ## Notable person
  
  * Stephanie Blythe (born 1970), mezzo-soprano
  