| Location | Habikino / Fujiidera, Osaka |
|---|---|
| Shape | Square mound |
| Mound length | 67 m |
| Period | 5th c. |
| World Heritage | Mozu-Furuichi Kofun Group (UNESCO) |
A square mound (67m long), national historic site in the northern Furuichi group, adjacent to Furumuroyama and Otoritsuka Kofun. 5th century; stone covering and haniwa confirmed. The name "Jogenjizan" derives from a Buddhist temple (Jogenji) once located here, reflecting the cultural layering of a later temple built upon an ancient burial mound. Among the larger square mounds, it is a principal accessory burial in the northern Furuichi group.Constituent monument of the "Mozu-Furuichi Kofun Group" UNESCO WHS (2019). The survival of the temple name "Jogenji" as a place name shows how medieval or early-modern Buddhist facilities built atop ancient burial mounds are preserved in local toponymy even after the buildings are gone. This "temple on a kofun" phenomenon occurs throughout Japan, reflecting the enduring use of ancient sacred hilltops as religious spaces. Now protected as a national historic site, it forms part of the northern Furuichi group walking route.
No excavation permitted under IHA mausoleum regulations. Internal structure and grave goods remain unknown. Exterior viewable from public paths.