It is the representative example that the castle walked it with the history of the modern cultural properties protection as a historic spot in the modern times, and it is the example of the park of historic interest in modern times, but there are extremely few places where it may be said that the maintenance was over.
This study considered it about the historical park and the change of the use patterns that the change of a preservation and the idea of practical use, the characteristic performed in a castle in the modern times before the full-scale business of "preservation and maintenance about the historic spot" of 1965 enforcing it after the abandoned castle of modern times castle appointed to a history of nation trace.
As for the reconstruction maintenance, as for the element of the point such as the building, the space of the circle that used the reconstruction as a garden of the parks moves to the reconstruction of an open space and the building, but suitable correspondence is late by the reason of the use as the park about the tree in the castle. In addition, it is clear to be the obstacle which is covered the scene as the historic spots such as Ishigaki or the building and the tree which became higher, and fail even if it planted a tree by a plan.
