Moat works yielded cylindrical and lid-shaped haniwa. The stone pillow traditionally attributed to Shibutani lacks a precise findspot and is not treated as a secure grave good from this mound.
Two views on the occupant
Archaeological view
An approximately 300m keyhole mound at Shibutani, Tenri. Moat works yielded cylindrical and lid-shaped haniwa, and the mound is dated to the late 4th century. A stone pillow traditionally attributed to Shibutani lacks a secure findspot. The internal burial facility is unknown.
Imperial Household Agency view
The Imperial Household Agency designates and manages it as Yamanobenomichi-no-E Mausoleum of Emperor Keiko, the 12th emperor, and classifies it as a keyhole mound. The occupant has not been archaeologically verified.
Field notes
The Imperial Household Agency gives access as about a 12-minute walk from JR Makimuku Station. Worship is generally 8:30–17:00, and the mound is closed.