Tatsuoka Castle : A Study of Japanese Bibliography

This is all about Tatsuoka Castle Ruins you want to know.
Every information you get on this site will be from a credible source based on Japanese history (books for reference).

"Tastsuoka Jō-zu"
【The japanese castle history materials No.14】 by Imperial Japanese Army Construction Department Headquarters producted in 1913~1945 from 国立国会図書館

The Japanese castle history materials were collected from the early Taishō era in order to compile the history of the castle by the former Japanese Army Construction Department Headquarters. However, due to the sudden change in the world situation and because it is not the original task of the Army Construction Department, the work does not proceed, then the end of the war is reached at the stage of collecting materials.

Profile : Tatsuoka Castle Ruins

LocationSaku City, Nagano Prefecture
Also known asTatsuoka-Jō-Goryōkaku
Type of castleFlatland
Mountain's name
DesignationNational Historic Sites
Year built1864~1867
Castle lordMatsudaira Norikata
Refurbishment lord
Portrait of Matsudaira Norikata from Wikipedia

Photographer : K. Ogawa - Heroic Japan -
A History of the War between China & Japan ; F. Warrington Wastlake and Yamada Yoshiaki ; Sampsan Low, Marston & Company ; London 1897

He named himself Ogyū Yuzuru after the Meiji Restoration, worked hard to establish the Japanese Red Cross Society. The bust is built in Tatsuoka Castle Goryōkaku.
Family Crest of Ogyū Matsudaira Clan from "Wikipedia"

The family crest was originally created from the pattern that the emperor and the royal family put on the kimono, and the pattern was made into a fixed pattern, and the one attached to his own oxcart is said to be the beginning of the family crest. The warlords drew large crests on the flag-fingers, used to distinguish enemy views on the battlefield, and used by the generals to determine which warlords were active and how much.

Tatsuoka Castle admission

admission fee : free
admission time : free  ※Reservation required for "Odaidokoro" tour
closing period : reference offficial site   

Tatsuoka Castle Google Map

Tatsuoka Castle Images 

Tatsuoka Castle Goryōkaku is a pseudo-western style fort made by the Matsudaira Norikata (lord of Tatsuoka) in 1867, with five ridges protruding in a star shape. This is the only one that exists in Japan, along with Goryōkaku in Hakodate. The Edo Shogunate prohibited the construction of new castles at that time. However, Matsudaira Norikata, who had an important role in the Shogunate and was interested in western military, received special permission and built this castle as a model of Vauban Castle with a star-shaped moat in Lille, France.
In Europe around the 16th century, a number of "castle cities" were created by surrounding the entire town with walls in the midst of a series of wars. The structure that reduces the blind spots on the defending side is the origin of the star-shaped castle.
About 270m of the moat surrounding the southwest and west was unfinished. It is said that the roof of the building was used for about 10% while all tiles were prepared.

As the name suggests, it is a building that serves as a cooking facility and a vassal station for the lord and his family.
It is currently the site of an elementary school, so it is not possible to tour freely, but holidays are open (inquiries required).

Link : unique style japanese castle

【north japan】 Goryōkaku


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