A colossal keyhole-shaped tumulus preserving the history of Shinano Province.
Mori Shogunzuka Kofun is a massive keyhole-shaped tumulus in Chikuma City, Nagano Prefecture, spanning an impressive 100 meters. Believed to be the tomb of a chieftain from the Keno region, the predecessor of Shinano Province, it's estimated to have been constructed in the late 4th century. Mori Shogunzuka Kofun is the largest keyhole-shaped tumulus in Nagano Prefecture, its sheer scale truly awe-inspiring. The tumulus is covered with葺石 (fukiishi - stones laid to cover the mound), features a triple row of haniwa (clay figures), and boasts sculpted haniwa on its summit. Furthermore, Mori Shogunzuka Kofun boasts a pit-type stone chamber, one of the largest in eastern Japan. The interior is surrounded by double stone walls. A full-scale model of this chamber is on display at the Mori Shogunzuka Kofunkan Museum, allowing you to grasp its immense size. The view from Mori Shogunzuka Kofun is breathtaking, overlooking the Chikuma River below and the Northern Alps in the distance. It's a place where you can immerse yourself in ancient history while enjoying the majestic natural beauty. Mori Shogunzuka Kofun is a significant historical site that plays a crucial role in Japan's historical narrative, holding immense historical value. We strongly encourage you to visit and experience its grandeur firsthand.