A ~108m keyhole mound in Ikuno Ward, Osaka City — Osaka City Historic Site. Mid-5th century. Now maintained as a public park (Mikachiyama Kofun Park). One of the key Middle Kofun period sites in central Osaka City, interpreted as the tomb of a chieftain commanding the ancient Yamato River corridor.
Finds & research
Excavation records are limited; internal burial facility and grave goods are unconfirmed. The basic keyhole mound structure (rear circle and front section) is established from exterior observation.
Two views on the occupant
Archaeological view
A ~120m keyhole mound in Katsu-yama-kita, Ikuno Ward, Osaka City. Mid-5th century. Rear circle ~59m diameter, ~8m high. Located on the alluvial plain of the Osaka Basin along the ancient Yamato River. Now maintained as Mikachiyama Kofun Park. One of the largest surviving Middle Kofun period mounds in Osaka City, likely the tomb of a chieftain controlling the ancient Yamato River and Lake Kawachi waterways.
Imperial Household Agency view
Not designated by the IHA. Osaka City-designated Historic Site.
Field notes
About 5 min walk from "Katsuzan-4-chome" or "Ikuno Ward Office" bus stop. About 10 min walk from Osaka Metro Sennichimae Line "Imazato" Station. Free access as a public park; visitors can climb to the summit. A key stop on any inner-Osaka kofun circuit.