Mihakayama Kofun - Credit: Wikimedia Commons
The is a Kofun period burial mound located between the Sanagu neighborhood of Iga, Mie in the Kansai region of Japan. The tumulus was designated a National Historic Site of Japan in 1921, with the area under protection expanded in 1970. With a total length of 188 meters, it is the largest kofun in Mie Prefecture. It is also known as the "Ohakayama Kofun", after an alternative pronunciation of the kanji in its name. Read more on Wikipedia
Source: en.wikipedia.org