Introduction to Honmaru Goten: This pill Gotemba covers a total area of ​​about 5,200 square meters, and the central part of the castle, surrounded by Uchibori, covers an area of ​​16,800 square meters. The central part of the castle, the palace, was roughly comparable in size to the Ninomaru palace when it was built, and the interior was decorated with Kano-style barrier paintings. There is also a five-story castle tower in the center of the castle. However, Kanen was burned down by lightning in 1750, and the mansion was also burned down by a fire in the city at dawn in 1788.