A cluster of nine round mounds on a hill at Shimotoyama, Ritto, built c. 550–600. Though most chamber stones were later removed, the floors yielded rich horse gear, weapons, and ornaments. The chamber of Mound 5 is restored and enterable.
Imperial Household Agency view
Not designated by the IHA. Ritto City Historic Site (1995).
Field notes
Open as Wada Kofun Park; finds are held by the adjoining artifacts center (public viewing suspended; groups by arrangement).