A keyhole mound of the southern Umami group west of Tsukiyama Kofun↗ in Ikeda, Yamatotakada. Closed as a reference site; view from the oratory and perimeter.
Finds & research
Haniwa; burial unexcavated.
Official status & archaeological view
Official status
Managed by the IHA as the Ryosai reference site.
Attribution (jitei): the Imperial Household Agency's determination of whose tomb it manages — separate from heritage designation.
Archaeological view
A keyhole mound about 75m long (per the Nara National Research Institute for Cultural Properties; a Yamatotakada City Board of Education report gives about 80m) with a rear mound about 45m across and a moat, built in the late 5th century; the burial facility is unexcavated (a chest-shaped sarcophagus is presumed). Haniwa recovered. Part of the southern Umami (Tsukiyama) group.
Field notes
Walkable from Kintetsu Tsukiyama Station, together with Tsukiyama Kofun.