Mitsuya Kofun

Mitsuya Kofun is an octagonal burial mound in Yoshioka built from earth as an ancient burial structure. Its geometric shape is typical of how early Japanese communities created resting places for their people.

This burial mound was built between the 3rd and 7th centuries during Japan's early state formation period. The era saw communities developing more complex ways to honor and bury their people.

The octagonal design suggests this burial mound was created for someone of high social standing in ancient times. The careful shaping shows how much importance the community placed on honoring this individual.

The site is open for visitors to view the ancient burial structure up close and walk around it. Wear comfortable shoes since you will be exploring the grounds on foot.

The octagonal shape was unusual for the time and required careful planning to construct. It shows that ancient Japanese builders had the geometric knowledge needed to create such complex forms.

Location: Yoshioka

Architectural style: octagonal kofun

GPS coordinates: 36.43506,139.02569

Latest update: December 14, 2025 13:08