Yangsumyeonok in Yangsu-ri is a naengmyeon restaurant. It serves kodari naengmyeon and yeolmu naengmyeon along with seolleongtang and galbitang, and the noodles are made Hamhung-style, pulled to order. The restaurant sits across from Yangsu-ri Environmental Ecology Park and has a large parking lot and a large, clean interior. The galbitang is on the higher end of the price range.