One of the largest mounds in the Umami group and a Special National Historic Site. On the west side of the front is a two-tiered island-like installation linked to the mound by a causeway.
Finds & research
The island-like installation yielded parasol-, house-, shield-, waterbird-, enclosure-, and fence-shaped haniwa. A wooden spade was found at the northwest corner of the front and a quiver-shaped wooden object at the northwest corner of the moat. The occupant of the central burial facility is unknown.
Official status & archaeological view
Official status
It was designated a Special National Historic Site in 1952, and Koryo Town conducts conservation and continuing investigation.
Archaeological view
A c.220m, three-tiered keyhole mound with a c.130m rear diameter at Mitsuyoshi, Koryo. It has a moat, outer embankment, and projections on both sides. Koryo Town dates its construction to the beginning of the Middle Kofun period.
Field notes
The moat also functions as an agricultural reservoir. Nara Prefecture describes it as a large keyhole mound whose mound visitors can enter. Follow on-site guidance.