Elmhurst, a neighborhood located south of Fluvanna, is a place in western Ellicott, Chautauqua County, the westernmost county in the U.S. state of New York. It borders Chautauqua Lake to the south. It is located at latitude 42ð7'5" North, longitude 79ð17'38" West and the elevation is 1309 ft (399 m) above sea level.