Kochi Prefectural Museum of History

A comprehensive museum of history built on the site of the Oko Castle Ruins—a national historic site and the former castle of the Chosokabe samurai clan from the Sengoku period.
The museum displays objects related to the Chosokabe clan and Tosa's history, culture, and lifestyle.
At Mt Oko Historical Park, you can enjoy cherry blossoms and various flowers and flora blooming throughout the four seasons.