A large keyhole mound preserved in Tamaoka Historic Park, Kasai. It is known as a setting of the Nehime legend in the Harima Fudoki, but the legendary characters have not been identified as its archaeological occupants.
Finds & research
Stones of a tuff chest-style sarcophagus remain in the rear-center looters’ pit. Finds include cylindrical, house-shaped, and rooster-shaped haniwa.
Two views on the occupant
Archaeological view
A three-tiered keyhole mound about 109m long, with a rear circle about 64m across and a front about 54m wide, surrounded by a moat roughly 20m wide. Built in the 5th century. Stones of a tuff chest-style sarcophagus remain in a looters’ pit at the rear center. Cylindrical, house-shaped, and rooster-shaped haniwa were found.
Imperial Household Agency view
Not designated by the IHA. Protected as the National Historic Site "Tamaoka Kofun Group" (1943; expanded 1978), managed by Kasai City.
Field notes
Within Tamaoka Historic Park, which has six original mounds and one relocated, reconstructed mound. From Hojomachi Station on the Hojo Railway, take the community bus to Kenko Fukushi Kaikan and walk about five minutes.