A ~130m keyhole mound in Kishiwada City — Osaka Prefectural Historic Site. Late 4th century. The largest keyhole mound in the Izumi region (Kishiwada, Izumi, Sennan area). Located on a hillside, it is believed to be the tomb of a chieftain commanding the ancient transport routes along the Osaka Bay coast.
Finds & research
Excavation records are limited; stone paving and cylindrical haniwa traces have been confirmed. The three-tiered mound profile is visible. Internal burial details and grave goods are unknown.
Two views on the occupant
Archaeological view
A ~130m keyhole mound in Kishiwada City — the largest keyhole mound in the Izumi region (southwestern Osaka). Late 4th century. Situated on a hillside, with three-tiered construction and presumed stone paving and haniwa. An important marker of the early stage when the Izumi region came under the influence of the Yamato polity. One of the largest early-period kofun in southern Osaka. Occupant unknown; presumed to be a powerful Izumi chieftain.
Imperial Household Agency view
Not designated by the IHA. Osaka Prefectural Historic Site.
Field notes
Accessible by taxi or on foot (40–60 min) from Nankai Main Line "Haruki" or "Izumi-Omiya" Station. A mountain path is required; appropriate footwear recommended. Obtain a Kishiwada City kofun map in advance. A good base for an Izumi–Minami-Kawachi tour of Early Kofun period tombs in southern Osaka.