徳川斉昭
The school closed in 1872 after the Meiji Restoration and the introduction of the new school system and the site was designated as a public park. Most of the library was taken over by the Mito High School, were destroyed by the air raid on Mito in early August 1945. The park is planted with some 60 varieties of "Prunus mume", some of which date from the time of Tokugawa Nariaki. The Kōdōkan was designated as a national historic site in 1922 and became a special historic site in 1952.It is about a 10-minute walk from Mito Station on the JR East Joban Line.