A large southern Yamashiro mound following Tsubai Otsukayama. The mound is heavily levelled.
Finds & research
Although looted, investigations identified a pit chamber, clay burial facility, and haniwa rows. The full grave assemblage is unknown.
Two views on the occupant
Archaeological view
An approximately 110m keyhole mound spanning Hirao and Kitagawara in Yamashiro-cho, Kizugawa. Built in the first half of the Early Kofun period, its rear is reconstructed with three tiers and front with two. A pit chamber, clay burial facility, and haniwa rows were identified.
Imperial Household Agency view
This is not an IHA mausoleum. It is an archaeological site on private land, not a nationally, prefecturally, or municipally designated historic site.
Field notes
The site is private property and not freely accessible; follow landowner and Kizugawa City guidance.