The newest of the seven, built to guard documents
Where the other storehouses on the Nara estate wear white lime plaster, this one is finished in mortar with a washed-aggregate surface (arai-dashi). Built in 1924 (Taishō 13), the bunko-gura, or document storehouse, is the youngest of the seven annexes registered on the site, and its materials show it. It stands west of the main house, facing east, a compact wooden two-story building of roughly 50 square meters, four ken along the front by three deep, under a hipped roof of copper sheet.
A bunko-gura exists to protect what a household most wanted to keep: records, deeds, and valuables. Everything about this building is shaped by that task. The doorway on the south face, set toward the east end, is fitted with a pair of iron doors that swing open, backed by a single sliding latticed door. The security is deliberate and layered.
The mark of the 1920s
The window treatment tells the same story of protection. On the ground floor the side windows are single-swing; upstairs they are sash windows, and each is shielded on the outside by a shutter. The mortar exterior, unusual among the earthen-walled storehouses beside it, points to the building's date. By the 1920s a wealthy household could reach for newer materials to fireproof and modernize a storehouse without abandoning the form.
That range of dates is exactly what the national register recognized in 2006. The seven annexes span from an 1874 miso storehouse to this 1924 document storehouse, and together they trace half a century of building on one family's grounds. The document storehouse marks the late end of that arc. Reading it beside the older plastered storehouses shows how construction on the estate kept pace with its times.
What to look for on a visit
The former Nara residence is open as an annex of the Akita Prefectural Museum, and admission is free. At the document storehouse, the surface itself is the thing to study: run your eye over the washed-aggregate mortar and compare it with the smooth white plaster of the miso and rice storehouses nearby. Then look at the openings, the twin iron doors and the shuttered upper windows, and the logic of a building made to resist fire and intrusion becomes clear. Museum staff interpret the grounds, so the document storehouse can be placed within the full sequence of the estate's outbuildings, oldest to newest, in a single walk.
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Q&A
- What is a bunko-gura?
- A storehouse for documents and valuables. It was built to protect a household's records, deeds, and treasured possessions against fire and theft.
- Why is it finished in mortar rather than plaster?
- The mortar with washed-aggregate surface reflects its 1924 date. It is the newest of the seven annexes, and its materials differ from the older earthen-walled storehouses on the site.
- What protects the openings?
- The south doorway has twin swinging iron doors backed by a sliding latticed door. The upper sash windows are each guarded by an external shutter.
- Is admission charged?
- No. Entry to the annex is free, though special exhibitions at the main museum may carry a separate charge.
- How do I reach it?
- The site lies in Kanaashi Koizumi in northern Akita City, within Koizumigata Park, near Oiwake Station on the Ōu and Oga lines.
Basic Information
| Name | Former Nara Residence Document Storehouse (Kyū Nara-ke Jūtaku Bunko-gura) |
|---|---|
| Location | 8 Kamimae, Koizumi, Kanaashi, Akita City, Akita Prefecture |
| Classification | Registered Tangible Cultural Property (registered 2 March 2006) |
| Built | 1924 (Taishō 13) |
| Structure | Two-story wooden building, copper-sheet roof; building area approx. 50 m² |
| Count | 1 building |
| Owner | Akita Prefecture |
| Access / hours | Open as an annex of the Akita Prefectural Museum; admission free. Generally 9:30–16:30 (Apr–Oct), 9:30–16:00 (Nov–Mar); closed Mondays and over the New Year. Confirm current hours before visiting. |
References
- National Cultural Properties Database (Agency for Cultural Affairs) — Former Nara Residence Document Storehouse
- https://kunishitei.bunka.go.jp/bsys/maindetails/101/00005229
- Akita Prefectural Museum — Annex, Former Nara Residence
- https://www.akihaku.jp/exhibition/permanent/narake/
- Akita Museum guide — Former Nara Residence
- https://www.akita-museum.com/page.php?serial_no=169
- Binokuni Akita Net (Akita Prefecture) — 2005 national registration: Former Nara Residence
- https://www.pref.akita.lg.jp/pages/archive/1625
Last verified: 2026.07.04