 NY 163 begins at an intersection with NY 5S and NY 80 (Main Street) in the village of Fort Plain, although it is signed as ending at NY 80 south of NY 5S.The route heads southwest along Main Street through Fort Plain, overlapping with NY 80 as it passes multiple commercial businesses near the village center.At Kellogg Street, NY 80 and NY 163 separate, with the former continuing along Main Street and the latter turning southward onto Kellogg Street.