Known as Mariaville Road, NY 159 begins at NY 30 just south of the Montgomery County line. in, it meets NY 160 at its southern terminus, turning right to meet Mariaville Lake.
Mariaville Road, known as NY 159, commences at NY 30 near the southern boundary of Montgomery County. It joins NY 160 at its southern end and then turns right to reach Mariaville Lake.