Gangwondojip sits in an alley beside Nakwon Sangga near Jongno 3-ga Station and serves sundae guk and dwaeji gukbap. The bowls come with sundae, liver, and various cuts of head meat, and the broth is seasoned with saeujeot, dadagi, and cheongyang gochu. After 3 p.m., freshly boiled liver and lungs are served free, and the rice is added in advance. The shop takes cash only and does not accept cards.