Jangsu Sundubu is a hand-made tofu restaurant in the Achasan Tofu Alley near Achasan Station in Gwangjin-gu, Seoul. It serves grilled tofu, mild sundubu, and dubu jeongol. The jeongol is boiled in a clear broth, making it a suitable meal after hiking Achasan. Soju and makgeolli are also sold.