Hamheung Naengmyeon Myeongdong Kalguksu is a restaurant near Gongdeok Station in Seoul that serves kalguksu and naengmyeon. The kalguksu, its signature dish, contains minced meat and small dumplings, and the broth is clean. The menu is varied, so diners can choose meals other than kalguksu. Prices are on the high side.