Kōbōyama Kofun
Matsumoto, Japan
The Kōbōyama Kofun is a large kofun burial mound located in the Nakayama neighborhood of the city of Matsumoto, Nagano in the Chūbu region of Japan. The site was designated a National Historic Site of Japan in 1976.
Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).