Jeong-a Kalguksu is a kalguksu restaurant in Arail-dong, Jeju. It serves bajirak kalguksu and a spicy jang kalguksu, and the broth is on the mild side. The clams are fresh, the noodles are soft, and the kimchi is good. The clams are not fully purged of sand, and the portions of boribap and kalguksu are small.