Okano Family Residence Storehouse: A Rare Three-Story Kura in Ogose
Tucked along a quiet street in the small town of Ogose in Saitama Prefecture, the Okano Family Residence Storehouse (岡野家住宅店蔵, Okano-ke Jutaku Mise-gura) stands as a striking reminder of a bygone era of commercial prosperity. Built in 1915 during the Taishō period, this three-story earthen-walled storehouse, or kura, is one of only a handful of surviving three-story kura in all of Japan. Registered as a National Tangible Cultural Property in 2008, it offers visitors a rare opportunity to witness the architectural ambition and refined craftsmanship that once characterized the thriving silk trading towns of the Kantō region.
Ogose was historically renowned as a center for raw silk (ki-ginu) trading. From the Edo period onward, a bustling market was held six times each month, drawing merchants and traders from across the region. The wealth generated by this silk commerce found expression in the town's impressive merchant architecture, of which the Okano Family Storehouse is the most prominent surviving example.
Architectural Features and Craftsmanship
The storehouse is a dozō-zukuri (earthen-walled) construction, standing three stories tall with a total building area of 53 square meters. The roof is a gabled (kirizuma-zukuri) style covered with interlocking ceramic tiles (san-gawara-buki). The building faces west toward the street, with a one-bay deep lean-to (geya) extending along the front facade, measuring approximately 3.5 ken (roughly 6.4 meters) in both width and depth.
Several distinctive decorative elements set this storehouse apart. The exterior walls were originally finished in black lacquer plaster (kuro-shikkui), a technique that lent an air of dignified elegance to the building. On the first floor, the rain shutters feature exquisite tortoiseshell-pattern (kikkō-kuzushi) designs crafted from copper plate — a detail that speaks to the wealth and aesthetic sensibility of the original owners.
The eaves employ a projecting-beam construction (degeta-zukuri), and the design varies subtly between floors: on the second story, decorative rafter shapes (taruki-gata) are exposed, creating a visual rhythm that distinguishes each level. This attention to floor-by-floor variation in design demonstrates an unusually high level of architectural sophistication for a commercial storehouse of this period.
Why It Was Designated a Cultural Property
The Okano Family Residence Storehouse was registered as a National Tangible Cultural Property (Registered Tangible Cultural Property — Buildings) on July 8, 2008, under Registration Number 11-0121. The primary criterion for its registration is that it contributes significantly to the historic landscape of the nation.
Three-story kura storehouses are extremely rare throughout Japan, making this building a valuable architectural specimen from both structural and historical perspectives. Its elaborate decorative elements — the copper tortoiseshell-patterned shutters, the black lacquer plaster walls, and the varied eave treatments — demonstrate the high level of craftsmanship available to prosperous merchants during the Taishō era. Furthermore, the building stands as tangible evidence of the wealth generated by Ogose's silk industry, which was one of the driving economic forces in the region during the late Edo through early Shōwa periods.
On the same property, there is also a two-story white-walled earthen storehouse (dozō) estimated to date from the late Edo to Meiji period, which was registered alongside the shop storehouse. Together, these buildings form an important ensemble documenting the commercial life of historic Ogose.
Ogose's Silk Trading Heritage
To fully appreciate the Okano Family Storehouse, it helps to understand the historical context of Ogose as a silk trading town. From the Edo period, Ogose was known as a production center for high-quality lining silk (ura-ginu), a refined raw silk used for the inner fabric of kimono. A regular market called the ni-shichi no ichi (literally, the "two-seven market") was held on the 2nd, 7th, 12th, 17th, 22nd, and 27th of each month, where silk was the primary commodity traded.
After the Meiji Restoration, the silk and textile industries were actively encouraged under Japan's industrialization policies, and Ogose's silk market flourished even further. In 1900, the Ogose Raw Silk Market was formally incorporated as a joint-stock company, and a large market building was constructed to accommodate the booming trade. The town earned the nickname "Ogose no Ima-ichi" (Ogose's Present-Day Market), a reference to its vibrant commercial activity.
The Okano Family Storehouse, built at the height of this prosperity in 1915, is a direct architectural legacy of the wealth that silk brought to this small mountain town.
Highlights and What to Look For
When visiting the Okano Family Residence Storehouse, there are several features worth paying close attention to:
- The Three-Story Structure: Simply seeing a three-story kura is a rare experience. Take a moment to appreciate the imposing presence of this building on the quiet Ogose streetscape.
- Copper Tortoiseshell Patterns: Look closely at the first-floor shutters to see the intricate kikkō-kuzushi (broken tortoiseshell) motifs crafted in copper plate. This geometric design carries auspicious meaning in Japanese culture.
- Eave Design Variations: Compare the eaves on each floor. The second floor features exposed rafter shapes, while other floors differ — a subtle but telling sign of the builder's artistry.
- Black Lacquer Plaster Walls: Though weathered over time, the original black plaster finish reflects a traditional technique that distinguished high-status merchant buildings from ordinary storehouses.
- The Adjacent White-Walled Storehouse: At the rear of the property stands an older two-story storehouse with white plaster walls, estimated to date from the late Edo period. The contrast between the black shop storehouse and the white storage kura creates a visually compelling pairing.
Please note that the storehouse is a private property. Visitors are welcome to admire the exterior from the public street, but entry to the interior may not always be available. Please be respectful of the property and its surroundings.
Exploring Ogose: Nearby Attractions
Ogose is a charming town with much more to offer beyond the Okano Family Storehouse. The area is particularly celebrated for its natural beauty and seasonal attractions.
Ogose Bairin (Ogose Plum Grove) is counted among the Three Great Plum Groves of the Kantō region. Spanning approximately two hectares, the grove contains around 1,000 plum trees of 35 different varieties, including the ancient "Kaisetsu" tree, believed to be over 670 years old. The annual Plum Blossom Festival runs from mid-February to mid-March and features a miniature steam locomotive ride — a rare attraction among plum groves nationwide.
Kuroyama Santaki (Kuroyama Three Waterfalls) is a scenic spot comprising the upper Male Waterfall, the lower Female Waterfall, and the Tengu Waterfall. Selected as one of Japan's Top 100 Scenic Tourist Destinations, the waterfalls are especially beautiful during the autumn foliage season and offer a refreshing retreat during summer months.
Kamiyas no Ōkusu (Great Camphor Tree) is the largest tree in Saitama Prefecture and ranked 16th nationally among giant trees. With a trunk circumference of 15 meters and an estimated age of over 1,000 years, this designated Natural Monument is an awe-inspiring sight for nature enthusiasts.
Yamabuki no Sato Historical Park is connected to the famous warlord and poet Ōta Dōkan, and features approximately 2,500 Japanese globeflower (yamabuki) plants that bloom golden in spring alongside a traditional water mill.
Godaison Tsutsuji Park hosts about 10,000 azalea bushes that bloom in a spectacular riot of color from late April to early May, making it one of the finest azalea viewing spots in the Kantō region.
Seasonal Highlights
Each season brings its own charm to Ogose. In late winter and early spring (February to March), the plum blossoms transform the town into a fragrant paradise of pink and white. Cherry blossoms follow in late March to April at Sakura-no-Yama Park, where some 300 Somei Yoshino trees create a canopy of pale pink. Late April through early May brings the azalea season at Godaison. Summer is ideal for visiting the cool Kuroyama waterfalls, while autumn offers stunning foliage throughout the mountainous surroundings. Walking through the historic streets around the Okano Family Storehouse is pleasant in any season, but the combination of heritage architecture and seasonal flora makes spring particularly rewarding.
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Q＆A
- Can I enter the Okano Family Residence Storehouse?
- The storehouse is a private property and is generally not open for interior viewing. However, visitors can appreciate the impressive exterior architecture from the public street. If you are a researcher or have a special interest, it may be possible to inquire through the Ogose Town Board of Education's Cultural Properties Division.
- How do I get to Ogose from Tokyo?
- Take the Tobu Tojo Line from Ikebukuro Station to Sakado Station (approximately 45 minutes by express), then transfer to the Tobu Ogose Line and ride to Ogose Station (about 15 minutes). The total journey takes roughly one hour. The storehouse is located within a short walk from Ogose Station. Alternatively, you can take the JR Hachiko Line to Ogose Station.
- What is the best time of year to visit Ogose?
- Late February to mid-March is especially popular for the Ogose Plum Blossom Festival, one of the Kantō region's most celebrated plum viewing events. Late April to early May is ideal for azalea viewing at Godaison Park. However, Ogose is enjoyable year-round, with summer waterfalls and autumn foliage offering their own appeal.
- Are there English-language signs or information available in Ogose?
- Ogose is a small rural town, and English-language signage is limited. It is recommended to prepare by researching the area in advance and downloading offline maps. The Ogose Tourist Information Center (OTIC), located near Ogose Station, may be able to provide basic assistance and pamphlets.
- What is a "Registered Tangible Cultural Property"?
- Japan's Registered Tangible Cultural Property system was established in 1996 to protect a wide range of historic buildings — particularly those from the modern era — that are at risk of being lost due to urban development and changing lifestyles. Unlike the more restrictive National Treasure or Important Cultural Property designations, registration operates under a lighter regulatory framework, focusing on guidance and support rather than strict regulations, while still acknowledging the cultural significance of the registered structures.
Basic Information
| Name | Okano Family Residence Storehouse (岡野家住宅店蔵 / Okano-ke Jutaku Mise-gura) |
|---|---|
| Cultural Property Type | Registered Tangible Cultural Property (Buildings) |
| Registration Number | 11-0121 |
| Registration Date | July 8, 2008 |
| Construction Year | 1915 (Taishō 4) |
| Structure | Earthen-walled (dozō-zukuri), 3 stories, tiled roof, building area 53 m² |
| Address | 796 Ōaza Ogose Aza Machi, Ogose-machi, Iruma-gun, Saitama Prefecture |
| Access | Short walk from Ogose Station (Tobu Ogose Line / JR Hachiko Line). Approximately 1 hour from Ikebukuro, Tokyo. |
| Admission | Exterior viewing from public street (free). Interior visits may not be available. |
| Related Property | Okano Family Residence Storehouse (土蔵 / Dozō): 2-story white-walled kura, estimated late Edo–Meiji era, registered as No. 11-0122 |
References
- 岡野家住宅店蔵 — 文化遺産オンライン
- https://bunka.nii.ac.jp/heritages/detail/191910
- 登録有形文化財 — 越生町ホームページ
- https://www.town.ogose.saitama.jp/kamei/shogaigakushu/bunkazai/ogosebunkazai/1456450491163.html
- 国指定文化財等データベース — 文化庁
- https://kunishitei.bunka.go.jp/bsys/maindetails/101/00012541
- H27-17 越生絹市場跡 — 越生町ホームページ
- https://www.town.ogose.saitama.jp/kamei/shogaigakushu/bunkazai/kaisetsu/explanation_cultural/H27_17.html
- 越生町の観光名所 — 越生町観光サイト
- https://ogose-kanko.jp/tourist_attractions/
- 岡野家住宅土蔵 — 文化遺産オンライン
- https://bunka.nii.ac.jp/heritages/detail/144451
Last verified: 2026.03.12