Hirajō Shell Mound
Ainan, Japan
The Hirajō Shell Midden (Hirajō kaizuka) is an archaeological site with a shell midden and Jōmon period settlement site located in the Machihata, Heijō, and Mishō neighborhoods of the town of Ainan, Ehime Prefecture in the island of Shikoku, Japan. The site was designated as a prefectural historic site in November 1951 and as a National Historic Site of Japan in 2024.
Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).