What the Chishinkan Wall Is

The Chishinkan Wall (知新館塀, Chishinkan hei) is a tiled earthen wall in Minamishinza, Tsuyama City, Okayama Prefecture, built in 1937 and registered as a Registered Tangible Cultural Property in 1998.

It runs along the north side of the house rebuilt on the birthplace of Hiranuma Kiichirō, facing the street, and carries its own small roof. It is 26.3 metres long. The lower part of the face is clad in boards and the upper part is finished in white Shikkui lime plaster. The roof is laid with Sangawara-buki pan tiles, and the wall stands on a base of dressed stone.

For anyone walking down the street, the long line of the Chishinkan Wall is the first thing they see of the property. The front gate opens partway along it, the storehouse stands in the same row, and the wall ties the whole street front of the residence together.

Why the Chishinkan Wall Was Registered

The Chishinkan Wall was registered as a structure that contributes to the historic landscape of the country, and the Agency for Cultural Affairs explains its value from the point of view of the town.

Several parts of Tsuyama still have samurai residences, but in Minamishinza their number has been falling. The Chishinkan Wall stands near the centre of the district and continues to show the street the outline of a samurai compound, which the agency describes as a valuable surviving example.

What counts here is less the age of the structure than the way it forms the edge between house and street. A samurai quarter was defined by walls and gates running along the road more than by the houses behind them, and the Chishinkan Wall keeps 26.3 metres of that street face in Minamishinza.

What to Look for at the Chishinkan Wall

Board Skirting and White Plaster

The face of the Chishinkan Wall is finished in two parts. Up to about waist height it is covered in boards, and above that it is plastered white. Board skirting of this kind generally protects the lower wall, which takes the most wear from rain splash and passing traffic. From the street, the brown boards and white plaster read as two horizontal bands.

The Stone Base

Look down and you will see that the Chishinkan Wall sits on a base of cut stone, likely intended to keep the earthen wall clear of ground moisture. The run of the stone joints is worth following along the length of the wall.

Matched to the Storehouse

The storehouse that faces the same street changes its outer finish below the waist line of the ground floor so that it matches the wall. Compare the height of the board skirting on the Chishinkan Wall with the line where the storehouse finish changes, and you can see that the two were planned as one frontage.

Seeing the Chishinkan Wall

Since it faces the road, the whole length of the Chishinkan Wall can be seen from outside, with or without a booking. Walking its full length shows how the gate and storehouse are placed and how the two-band finish works. From across the road you can follow the tiled roofline as it continues on either side of the gate.

To see the inner side of the Chishinkan Wall and the garden behind it, you need to book a visit to the grounds with Tsuyama City. The wall is still part of a working property, so please avoid touching or leaning on its surface.

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Q&A

QWhat kind of wall is the Chishinkan Wall?
AThe Chishinkan Wall is an earthen wall with its own tiled roof, 26.3 metres long. Its lower part is clad in boards and its upper part is finished in lime plaster. It runs along the north side of the property, facing the street.
QWhy is the Chishinkan Wall a Registered Tangible Cultural Property?
AThe Chishinkan Wall was registered in 1998 as a structure that contributes to the historic landscape. With fewer samurai residences left in Minamishinza, it is valued as an example that still shows the form of a samurai compound near the district's centre.
QCan I see the Chishinkan Wall without a reservation?
AYes. The Chishinkan Wall faces the street and can be seen from outside at any time. Seeing its inner side or the garden requires a visit booked with Tsuyama City.
QWhen was the Chishinkan Wall built?
AThe Chishinkan Wall was built in 1937 as part of the re-creation of Hiranuma Kiichirō's birthplace, at the same time as the main house and front gate.
QWhat details should I look for on the Chishinkan Wall?
AOn the Chishinkan Wall, look for the two-band finish of board skirting and white plaster, the cut-stone base, and the way the storehouse in the same row matches its lower finish to the wall.

Basic Information

NameChishinkan Wall (知新館塀)
Location26 Minamishinza, Tsuyama City, Okayama Prefecture
DesignationRegistered Tangible Cultural Property (Building)
Year Designated1998
Quantity1 building
DimensionsLength 26.3 metres
OwnerTsuyama City
Public AccessExterior visible from the road at any time; grounds by reservation (weekdays only, free)

References

Agency for Cultural Affairs, Database of National Cultural Properties: Chishinkan Wall (Japanese)
https://kunishitei.bunka.go.jp/bsys/maindetails/101/00000899
Agency for Cultural Affairs, Database of National Cultural Properties: Chishinkan Storehouse (Japanese)
https://kunishitei.bunka.go.jp/bsys/maindetails/101/00000898
Okayama Prefecture: Chishinkan (cultural property information sheet, Japanese)
https://www.pref.okayama.jp/uploaded/attachment/260954.pdf
Tsuyama Kawaraban: Chishinkan, based on the Tsuyama City Board of Education bulletin, October 2002 (Japanese)
https://www.e-tsuyama.com/report/2010/06/post-61.html
Tsuyama City Tourism Association: Chishinkan (Former Hiranuma Kiichirō Villa) (Japanese)
https://www.tsuyamakan.jp/news/YPNZH7u9

Last verified: 2026.09.25