Kamenokoyama Kofun, Keyhole-shaped burial mound in Denenchofu, Japan
The Kamenokoyama Kofun extends 107 meters in length with a circular rear portion measuring 66 meters in diameter and 8 meters in height.
Built during the late 4th century, this ancient tomb represents the largest keyhole-shaped burial mound in the Tama River region of southern Musashi Province.
The burial mound belongs to the Ebara Plateau Kofun group, reflecting the social hierarchy and burial practices of the Japanese Kofun period.
Located within Tamagawadai Park, visitors can access the site through a 10-minute walk from Tamagawa Station on the Tokyu Tamagawa Line.
The tomb's name derives from its distinctive shape resembling a turtle when viewed from the side, though no clay figurines or stone coverings remain.
Architectural style: keyhole-shaped kofun
GPS coordinates: 35.58934,139.66708
Latest update: March 6, 2025 11:20
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