An important unlooted mound preserving its chamber and grave-good arrangement in place. It is about 110m long.
Finds & research
Finds include mirrors, tubular bronze objects, iron weapons, armor, agricultural and woodworking tools, shell bracelets, stone ornaments, and bracelet-shaped stone objects.
Official status & archaeological view
Official status
An Osaka Prefectural Historic Site designated on 29 January 2002.
Archaeological view
An approximately 110m, three-tiered keyhole mound at Muroyama, Ibaraki, from the middle of the Early Kofun period, with stone facing, haniwa, and a pit chamber on the rear summit.
Field notes
Do not enter protected areas; follow current Ibaraki City access guidance.