Seongsan Ilchulbong Son Kalguksu is a kalguksu (knife-cut noodles) shop in Seongsan-eup, Seogwipo, serving bommal abalone kalguksu and abalone porridge. The noodles are made in-house with sea tangle and soybean powder, and the broth is a rich perilla seed and seaweed base. The shop sits a two-minute walk from Seongsan Ilchulbong and opens early in the morning. Food tends to come out slowly.