 At Coopersville, the first named location along NY 9B, the highway crosses the Great Chazy River and turns to follow a more easterly routing toward Lake Champlain.NY 9B reaches the shoreline later, at which point the route makes a sharp turn to the north to follow the western edge of Lake Champlain.It serves a handful of lakeside homes before passing Point au Fer, a peninsula protruding southeastward into the lake.