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Nationally Designated Important Cultural Property (designated 1985)
Made: Early Yayoi period (10th c. BCE)
Location: Owari, Oku
Designated area: 5,219m2
This early Yayoi period (10th c. BCE) archeological site lies near to Oku station and includes the Kadota kaizuka (Kadota shell mound), one of many vast shell mounds found across Japan that were used by ancient people as locations for waste disposal.
An array of finds have been excavated from the mound, such as stone tools, Yayoi pottery of the so-called "Kadota style", and animal and fish bones, all of which are valuable evidence for understanding how people lived their lives at the time.
These remains have been preserved as part of the "Kadota Shell Mound Historical Park" since 1998. The park is home to full-sized recreations of a traditional Yayoi period shell mound and pit dwelling, which visitors a free to enter as they please.