Geumgangsan is a duck grill restaurant on the basement level of a building between City Hall, Gwanghwamun, and Jonggak in Seoul. It serves a course of smoked duck, duck barbecue, duck with green chili peppers, and duck soup. The lunch noodles come with beef brisket and vegetables, and a small amount of porridge is served first before the noodles are boiled and ladled into individual bowls. The basement entrance is narrow and hard to find.