Nammun Kalguksu is a kalguksu restaurant in Nammun-dong, Gangneung. It serves jang kalguksu boiled with makjang and sun ongsimi, and pulls its noodles by hand in the traditional way. The setting is a 100-year-old Japanese colonial-era house, where potato songpyeon is eaten dipped in sugar. The potato ongsimi can come across as starchy.