An 86m keyhole mound in the Iwahashi Senzuka Kofun Group, Wakayama City, atop Mt. Dainichizan (141m). Excavations (2003–2005) yielded nationally rare haniwa including a two-faced figurine and a spread-winged bird — now designated Important Cultural Properties. Viewable within Kiifudoki-no-Oka.
Finds & research
Two-faced human haniwa, spread-winged bird haniwa (nationally rare), cylindrical haniwa, Sue ware — designated Important Cultural Properties.
Two views on the occupant
Archaeological view
~86m keyhole mound (105m including base platform), atop the highest peak of the Dainichizan district (141m elevation). Contains the characteristic "Iwahashi-type" horizontal stone chamber. Excavations (2003–2005) yielded diverse figural haniwa including nationally unique examples: a two-faced human figurine and a bird with spread wings. Early 6th century. Excavated artifacts designated as Important Cultural Properties in 2016.
Imperial Household Agency view
Not designated by the IHA. Protected as a constituent site of the National Special Historic Site "Iwahashi Senzuka Kofun Group" (Dainichizan district).
Field notes
Located within Kiifudoki-no-Oka and open for viewing. Summit commands a panoramic view. Within walking distance of Tennotsuka Kofun (id:319).