A keyhole mound (ca. 87m) in Okayama, Shijōnawate City, built in the early Kofun period (late 3rd–early 4th century) — one of the oldest elite tombs in north Kawachi. Its rear mound holds a pit-style stone chamber and lies within the precincts of Shinobugaoka Shrine; the chamber was found during repairs after the 1934 Muroto Typhoon.
Finds & research
A pit-style stone chamber was found in the rear mound during repairs after the 1934 Muroto Typhoon. Detailed excavation records are limited; haniwa and pottery fragments are known.
Two views on the occupant
Archaeological view
A keyhole mound ca. 87m long, built in the early Kofun period (late 3rd–early 4th century). The rear circular part is ca. 45m across and ca. 6m high; the two-tiered mound has its front facing north. In 1934 the Muroto Typhoon damaged Shinobugaoka Shrine, and during repairs a pit-style stone chamber was found in the rear mound, revealing it to be a kofun. One of the oldest keyhole mounds in north Kawachi. Occupant unknown.
Imperial Household Agency view
Not managed by IHA. Osaka Prefecture-designated Historic Site.
Field notes
Within Shinobugaoka Shrine; the rear pit-style chamber can be viewed. About 5 min walk from Shinobugaoka Station (JR Gakkentoshi Line).