Donut Jeongsu Changsin is a donut shop on a hill in Changsin-dong that sells donuts and coffee. The donuts are crisp on the outside and soft inside, with maple and lemon yogurt flavors. After ordering on the first floor, customers go up to the second floor via a separate staircase outside the building to see Namsan and Hanyangdoseong through the full-length windows. The hill road is steep and the seating is not spacious, so it is often full on weekends.