Within Daereungwon Tomb Complex is Cheonmachong Tomb, which was excavated in 1973. Cheonmachong Tomb consists of a wooden coffin placed inside an underground chamber mounded with boulders and earth, characterized as a typical upper-class tomb of the Silla period. The mound has a x_height of 12.7 meters with a diameter of 50 meters and consists of a layer of rocks collected from streams. Below the rock layer is a wooden chamber that is 6.5 meters long and 2.1 meters wide, reaching 2.1 meters in x_height, with the wooden coffin at its center. A total of 11,526 artifacts were discovered within the tomb, including Cheonmado, an artwork considered highly valuable as it is Korea's first artwork to be excavated from an ancient tomb.