| Location | Habikino / Fujiidera, Osaka |
|---|---|
| Shape | Keyhole-shaped mound |
| Mound length | 290 m |
| Period | Late 4th c. (Fujiidera); early 5th c. (ACA) |
| Designation | Imperial Tomb (IHA) |
| World Heritage | Mozu-Furuichi Kofun Group (UNESCO) |
| IHA designation | IHA-managed (no public entry) |
A 290m-long keyhole mound, the second largest in the Furuichi area and ninth longest in Japan. It was built at the highest point of the plateau with its front section facing south-west; the rear circle rises 26.2m. The mound has three tiers, although a flat surface near its foot may indicate that four tiers were intended, and projections stand on both sides of the waist. A narrow, steep-sided moat and a broad outer embankment distinguish the monument. The Imperial Household Agency administers it as the mausoleum of Nakatsuhime-no-mikoto. It is a constituent monument of the Mozu-Furuichi Kofun Group World Heritage Site, inscribed in 2019.
Tradition records a stone coffin in the burial facility. Cylindrical haniwa stood without gaps on the broad embankment outside the moat, where figural haniwa have also been recovered.
The moat water creates a scenic landscape, and the full keyhole profile can be observed from the outer road. Nearest stations: Kintetsu Minami-Osaka Line Hajinosato (~7 min walk) or Domyoji (~16 min walk).