Achasan Sundaeguk serves sundae-guk and head-meat suyuk near the entrance of Achasan and the Yeonghwasa intersection. The menu offers regular sundae-guk, red sundae-guk, and special sundae-guk, with suyuk available to order alongside. The restaurant is run by owner Moja and is a stop for people after hiking Achasan, with banchan made in the style of her mother's cooking. Tofu dishes such as momu-dubu and sundubu are also served.