Hachioji Castle was built by Hojo Ujiteru around the end of the 16th century, and is said to be one of the best mountain castles in the Kanto region.
Ruins of Hachioji Castle have been designated as a national historic site and selected as one of the Japan top 100 castles.
The artifacts excavated from Hachioji Castle Ruins can be used to identify the era in which they were excavated, making Hachioji Castle Ruins an extremely valuable site.
Because the castle fell less than ten years after it was built and has not been touched by people since then.
Here at Hachioji Castle Ruins Guidance Institution, you can learn about the history of the Hojo clan and Hachioji Castle. Please stand around Honmaru palace, the main enclosure of Hachioji Castle, where you can see Mt. Takao and the Kanto plain, the stone wall at the end of the Sengoku period (end of 16C), the restored Goshuden relic and old roads, and feel the state of Hachioji Castle during the Sengoku period and the relationship between Hachioji Castle and Mt. Takao.