Okameishi_Kofun
The Okameishi Kofun (お亀石古墳) is a Kofun period square-shaped burial mound, located in the Nakano neighborhood of the city of Tondabayashi, Osaka in the Kansai region of Japan. The tumulus was designated a National Historic Site of Japan in 2002 collectively with the nearby Shindō temple ruins and the Oganji-ike tile kiln ruins.[1]