Onohara Kofun Group (Kan'onji)
Kan'onji, Japan
The Ōnohara Kofun cluster (Ōnohara Kofun-gun) is a group of kofun burial mounds located in the city of Kan'onji, Kagawa Prefecture, on the island of Shikoku of Japan. The tumuli were collectively designated a National Historic Site in 2015 with the area under protection expanded in 2020.
Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).