Now in the town of Summerhill, the route bends westward near a junction with Hieman Road (CR 163). After crossing over a creek, the route passes the southern terminus of Como Lake Road (CR 62C). NY 90 continues west through the rural town of Summerhill, passing numerous farms before bending southwest into the residential hamlet of Summerhill. At the center of the hamlet, the route reaches a junction with Salt Road (CR 102). Turning northwest out of Summerhill hamlet, the route reaches a junction with Chipmans Corners Road (CR 161).