The largest keyhole mound in the Katsuragi region, famous for elaborate large house- and armour-shaped haniwa. Identification with Katsuragi no Sotsuhiko is unproven.
Finds & research
The looted southern chamber yielded mirror fragments, beads, and talc imitations, among other items. Large house-, pedestal-, shield-, and quiver-shaped haniwa, among others, stood on and around its roof stones. The northern chamber is unexcavated, though fragments of boat- and pedestal-shaped stoneware made in the Gaya region have been collected.
Official status & archaeological view
Official status
It was designated a National Historic Site in 1921 under the official name Miyayama Kofun.
Archaeological view
A three-tiered keyhole mound at Muro, Gose, 238m long according to the Museum of the Archaeological Institute of Kashihara, or 245m (rear circle 153m across, front 170m wide) according to Gose City, with stone facing, haniwa rows, and a northern square projection, dating to the beginning of the 5th century. Two burial facilities lie on the rear summit: the southern chamber contains a Tatsuyama-stone chest-shaped sarcophagus, while the northern chamber is unexcavated.