It is located on the northwestern hill of ‘Daedong’ village.
It is appointed as historic spot no.300, and some grave robberies were disclosed in 1982. Youngnam University Museum excavated it and discovered many relics.
At the time of excavation, pieces of Mumuntogi(無文土器) were collected and it was recognized as the relic of Bronze Age. Since then, it has been known as mixture of living relics and old tombs from the Bronze Age to the Age of Three States. At present, there is an Imdang Relics Exhibition Hall near Gobungun.