A cluster of roughly 754 mounds across the Koseyama hills of Gose. The Agency for Cultural Affairs notes that grave goods such as iron smithing tools and miniature cooking stoves suggest links with the Kinokawa basin and the Korean Peninsula.
Finds & research
Sue ware, haniwa, miniature vessels; burials range from directly buried wooden coffins to horizontal stone chambers and side-entry chambers.
Official status & archaeological view
Official status
National Historic Site (2002; expanded 2014).
Archaeological view
One of Japan's largest kofun clusters. The Gose City Board of Education's 2022 conservation plan counts 754 mounds, including probable ones (351 inside the designated site and 403 outside), excluding 42 natural features and four separately treated mounds. Construction began in the early 5th century, peaked in the mid-6th, and continued into the mid-7th.
Field notes
According to Gose City, the group cannot be visited because the paths within it are undeveloped.