01 / Yoshigo Shell Mound
The shell layers spread across a gentle slopefacing Atsumi Bay.

This shell mound, centred on the late and final Jomon period, was designated a National Historic Site in 1951. The national commentary records shell layers over a wide area, where Jomon pottery fragments, stone tools and bone and antler tools have been found.
- National Historic Site, 1951
- Centred on the late and final Jomon
- Shell layers over a wide area
