Watanuki Kannonyama Kofun is a keyhole-shaped burial mound in Watanuki-machi, Takasaki, Gunma, measuring 97 meters in total length and an important burial mound from the late 6th century. It is known as a site that caused great shockwaves in Japan's kofun archaeological community when excavations in 1973 yielded abundant burial goods designated as National Treasures. Among the excavated burial goo…

Keyhole-shaped burial mound built in the late 6th century. Total length 97m. Horse gear, water vessels and other items excavated in 1973 designated as National Treasures. Precious evidence of cultural exchange with the Korean Peninsula. National Historic Site.