This location surrounded by nature is home to 323 ancient burial mounds. It is said that these mounds were made around 1700 years ago during the Kofun-era of Japan.

It was designated as a special historical site by the Japanese government in 1952. In spring, you can enjoy over 2000 cherry blossom trees and a field full of rape flowers. In summer you can enjoy sun flowers and in autumn you can enjoy cosmoses of many different colors.