A National Historic Site in Umami Hills Park whose eastern half has been restored with stone facing and haniwa. Nara Prefecture describes its passage-like feature as the only known example at present, but its function is not established.
Finds & research
Finds include cylindrical, morning-glory, and house-shaped haniwa, clay imitations of offerings, knife-shaped stone objects, an iron sword, Haji ware, and Sue ware.
Two views on the occupant
Archaeological view
A 105m keyhole mound at Samita, Kawai, built at the beginning of the 5th century. A passage-like feature bounded by two rows of haniwa was found at the eastern waist. A clay burial was identified in the front, and another is inferred in the rear.
Imperial Household Agency view
This is not an Imperial Household Agency mausoleum. It is designated a National Historic Site.
Field notes
Follow park hours and visitor routes. On-site interpretation distinguishes the reconstructed portion from unrestored remains.