Keyhole mound (110m) in Yanagimoto, Tenri City. Part of the prestigious Yanagimoto branch of the Yamato Kofun Group, sharing the cluster with the Sujin and Keiko imperial mausoleums. National Historic Site; a stop on the Tenri area circuit alongside Andonyama and Kurozuka kofun.The Yanagimoto branch is concentrated on the Kasayama hills in eastern Tenri City — a focal zone of 4th–5th-century Yamato elite burials. Conveniently accessible on foot from JR Yanagimoto Station; a combined visit with the free Kurozuka Kofun Exhibition Hall is recommended.
Finds & research
Two-tiered construction, stone paving, and cylindrical haniwa confirmed. Detailed grave goods not published.
Two views on the occupant
Archaeological view
Keyhole mound 110m long. Late 4th century. Part of the Yanagimoto branch of the Yamato Kofun Group, sharing the same cluster with Andonyama (Emperor Sujin mausoleum, 242m), Shibuyamukaiyama (Emperor Keiko, 300m), and Kurozuka (130m). Two-tiered construction with stone paving and cylindrical haniwa confirmed. Occupant unknown; presumably a powerful chieftain of the early Yamato polity.
Imperial Household Agency view
Not designated by the IHA. National Historic Site managed by Tenri City as part of the Yamato Kofun Group (Yanagimoto branch). Not an imperial or reference site.