| Location | Sakai, Osaka |
|---|---|
| Shape | Scallop-shaped mound |
| Mound length | 65 m |
| Period | Mid-5th c. |
| Designation | Municipal Historic Site |
| World Heritage | Mozu-Furuichi Kofun Group (UNESCO) |
The first-listed (No. I) satellite tomb of Daisen Kofun. A scallop-shaped mound, 65m long. The truncated front section of the scallop form is regarded as a burial type for powerful figures ranking just below full keyhole-mound status. Sakai City dates it to the middle of the 5th century, the World Heritage site to the first half. It lies south of Daisen's front section, on the projected axis of the great mound and with its own axis parallel to Daisen's outer moat, its front section facing west; the rear circle stands 7.7m high. The front section and moat were reconstructed from confirmation surveys made when the park was laid out. The rear circle is administered by the IHA, the front section and moat by Sakai City (designated a Sakai City Historic Site in 2017).Constituent monument of the "Mozu-Furuichi Kofun Group" UNESCO WHS (2019). The scallop-shaped mound form concentrates in the Mozu and Furuichi groups of the 5th century, documenting the diversification of burial mound forms in this period. Restricted from general entry as an IHA satellite tomb, but the scallop outline is visible from the outer roads of Daisen Park.
The internal burial facility remains unexcavated under IHA management. However, a confirmation survey in FY2011 identified the mound edge and the outer edge of the moat, with fukiishi (facing stones) and haniwa recovered (Sakai City). Interior grave goods remain unknown. Exterior viewable from public paths.