01 / Shell mound
A 1924 survey showed people lived hereabout 4,000 years ago, in late Jomon.
Shinchi Shell Mound was designated a national historic site in 1930, with the Tenaga Myojin shrine site attached. The Agency for Cultural Affairs says Tenaga Myojin is well known for a legend about how the mound formed. Another shell mound in town is a prefectural site, and human bones were found there in a 1952 dig.
- National historic site, Feb. 28, 1930
- About 4,000 years ago, late Jomon
- Another shell mound in town, prefectural site, 1968
