South mound
| Time Period | Middle Jomon period |
| Excavation Report | |
| Excavation Report Figure No. | |
| Major Axis | |
| Explanation | Located on the south side of the North Mound, the maximum thickness is 2.1 meters. More than 300 clay figurines were found. |
| Time Period | Middle Jomon period |
| Excavation Report | |
| Excavation Report Figure No. | |
| Major Axis | |
| Explanation | Located on the south side of the North Mound, the maximum thickness is 2.1 meters. More than 300 clay figurines were found. |