The keyhole mound in Kitahanauchi, Katsuragi, designated as the tomb of Princess Iitoyo (Nara Prefecture) — a figure in the succession drama around Prince Ichinobe-no-Oshiha's↗ orphans, linking the chronicles to Katsuragi.
Finds & research
Cylindrical and figural haniwa (incl. human figures) and wooden objects (IHA surveys).
Official status & archaeological view
Official status
Managed by the IHA as the Haniguchi-no-Oka Mausoleum of Empress Iitoyo.
Attribution (jitei): the Imperial Household Agency's determination of whose tomb it manages — separate from heritage designation.
Archaeological view
A keyhole mound ~90m long (per Katsuragi City and Nara Prefecture; an IHA Archives and Mausolea Department survey report gives ~85m) with a moat, built in the late 5th to early 6th century. IHA surveys recovered cylindrical and figural haniwa (including human figures) and wooden objects.
Field notes
About 10 min on foot from Kintetsu Shinjo Station.