Gopchangiyagi Ildojeom is a gopchang restaurant in Ido 2-dong, Jeju. It serves gopchang (grilled intestines) with a large amount of gop, along with daechang (beef large intestine) and makchang (beef abomasum). The gopchang contains plenty of gop, and the inside of the daechang is tender. The makchang is on the chewy side.