A major mound group in northern Settsu. Its largest member, Oishizuka, is a three-tiered keyhole mound more than 80m long with cylindrical and morning-glory haniwa and stone facing. Mounds in the group have yielded large quantities of iron objects, including armour.
Finds & research
Oishizuka has yielded cylindrical and morning-glory haniwa and stone facing; Koishizuka has haniwa and cylindrical haniwa coffins; Otsuka and other mounds have yielded iron objects including armour.
Official status & archaeological view
Official status
The five surviving mounds are designated together as the National Historic Site Sakurazuka Kofun Group.
Archaeological view
A mound group built from the mid-4th to the end of the 5th century across Okamachi and Sakurazuka in Toyonaka. A Meiji-period map shows 36 mounds, but only five survive: Oishizuka, Koishizuka, Otsuka, Oshishizuka, and Minami Tenbinzuka.
Field notes
The five surviving mounds are dispersed through the urban area. The pin marks roughly the group's centre; the leading mound Oishizuka is shown separately. Keep to the accessible areas, follow on-site guidance, and do not enter mounds or managed enclosures without permission.