[1] Per legend, the tumulus is the tomb is Miyazuhime, the wife of Prince Yamato Takeru, whose purported grave is located nearby.

The presence of a large number of rounded river boulders indicates that the surface may have originally been paved with stones (fukiishi).

In addition, a square platform was built between the front and rear portions, which was possibly a stage for use in ceremonies.

In addition, according to historical records, a large amount of Sue pottery was excavated from the tumulus, but most are now missing, and all of the pieces that have been handed down to the present are small pieces of unknown shape, which are stored in the Toyota City Museum of Local History and the Nagoya City Miharashidai Archaeological Museum.

Per legend, the tumulus is the tomb of Miyazuhime, the wife of Prince Yamato Takeru, whose purported grave is located nearby.

From its construction method and the recovered artifacts, the tumulus is believed to date from the early 6th century AD, and to have had a strong connection to the Yamato kingdom.