★ World Heritage Habikino / Fujiidera, Osaka Keyhole-shaped mound

Karusato Otsuka Kofun

Also known as: Hakucho Mausoleum (Yamato Takeru)
LocationHabikino / Fujiidera, Osaka
ShapeKeyhole-shaped mound
Mound length190 m
PeriodLate 5th c.
World HeritageMozu-Furuichi Kofun Group (UNESCO)

Overview

A 200m keyhole mound (7th in Furuichi, 30th nationally). Late-5th-century construction with three-tiered mound and moat. Designated by the IHA as "Hakucho-no-Misasagi," the mausoleum of the legendary hero Yamato Takeru no Mikoto—the most mythologically evocative attribution in the Furuichi group. Front section faces north; part of the outer embankment is nationally designated. Located in Karuri, Habikino City, near Furuichi Station and Hakucho Shrine.Constituent monument of the "Mozu-Furuichi Kofun Group" UNESCO WHS (2019). The name "Hakucho" (White Bird) derives from the legend in the Nihon Shoki and Kojiki that after Yamato Takeru's death, his soul transformed into a white bird. Yamato Takeru is celebrated as a hero who pacified the eastern and western lands; his legends are widespread across Japan. The place name "Karuri" is an ancient toponym possibly linked to the ancient area of Karu in Yamato (near present-day Kashihara City). The nearby Hakucho Shrine, dedicated to Yamato Takeru, draws worshippers as the gateway shrine to this mausoleum.

Finds & research

No excavation permitted under IHA mausoleum regulations. Internal structure and grave goods remain unknown. Exterior viewable from public paths.

Two views on the occupant

Archaeological view
Actual occupant archaeologically unknown. Yamato Takeru is a legendary hero in the chronicles, and many historians question his historicity. Dated by haniwa typology to the late 5th century (c. 470–490s). At 200m, the 7th largest in the Furuichi group and 30th nationally. Three-tiered construction with moat; front section faces north. The attribution to Yamato Takeru most likely reflects a later legendary association attached to a 5th-century royal or elite tomb. Part of the outer embankment is designated a national historic site.
Imperial Household Agency view
Officially designated "Hakucho-no-Misasagi" (White Bird Mausoleum) by the IHA, attributed to the legendary hero Yamato Takeru no Mikoto. The name "Hakucho" (White Bird) refers to the legend that after Yamato Takeru's death, his spirit transformed into a white bird and flew away. This is one of the most mythologically charged of all IHA mausoleum designations.
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Sources

宮内庁羽曳野市教育委員会百舌鳥・古市古墳群 公式サイト

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