A Stone-Terraced Village on Japan's Oldest Highway
A single narrow road climbs the floor of a small valley at Hanazawa, following the river of the same name into the hills at the northeastern edge of Yaizu. About thirty households line it. Behind each one, dry stone walls step up the slope, and a tiled main house sits at the back of its plot with the mountain rising directly behind. The arrangement has held its shape since the seventeenth century.
In September 2014 Hanazawa became the first place in Shizuoka Prefecture to be designated an Important Preservation District for Groups of Traditional Buildings, a national category (jūden'ken) that protects whole historic neighborhoods rather than single monuments. What the designation recognizes here is not one grand structure but an entire working landscape that has survived intact.
A Road Older Than the Village
The road through Hanazawa is older than the houses along it. Residents call it the Yakitsube no Komichi, and it is regarded as one of the oldest surviving stretches of the Tōkaidō, the corridor that once linked the capital region with the eastern provinces. In the Nara period (710–794) travelers crossed Nihonzaka Pass here on their way between present-day Yaizu and the Shizuoka basin. Frontier guards called sakimori, conscripted from eastern Japan to defend the far western coasts, are said to have walked this route. The area even surfaces in the Man'yōshū, Japan's earliest poetry anthology: a poem attributed to Kasuga no Kura no Oyu recalls a chance meeting near Yakitsube, the old name for Yaizu.
The settlement grew up as a farming community along this road. Records point to roughly thirty households from the seventeenth century onward, and the village was once known as the "thirty-three houses of Hanazawa." Sericulture and tea farming sustained it through the Meiji era (1868–1912), and from the later Meiji years mandarin oranges (mikan) became the mainstay. The crop proved profitable enough that a local saying held a woman who married into Hanazawa was set for life. A little over twenty households remain today.
Why It Earned National Protection
The Agency for Cultural Affairs selected Hanazawa under the criterion that recognizes a building group and its setting for showing strong regional character. The plots are small and the valley is steep, so residents built upward. Walls of fitted stone cut into the hillside to create level ground; on the terraces above the road stand the main houses and a dense cluster of farm outbuildings, with mandarin orchards and tea fields climbing the slopes beyond on yet more stone terracing.
The buildings range in date from the late Edo period to the early Shōwa era of the 1920s and 1930s. Read together, they form a continuous record of how a mountain community reshaped its houses to suit changing crops, first silk and tea, then mandarins. That intact relationship between architecture, farming, and landscape is the reason the whole valley, rather than any one building, carries the designation.
What to Look For Along the Road
Walking up from the parking lot, the first thing to register is the stonework. Plot after plot is faced with dry walls that divide the slope into steps, so the houses appear to climb in tiers. The main house, or omoya, sits at the back of each plot against the mountain. Most are single-story and tile-roofed; about a third were originally thatched, and a few carry a low mezzanine floor (chūnikai) inserted to raise silkworms.
The outbuildings are where Hanazawa's farming history shows most plainly. Around a work yard known as the ōdo stand earthen-walled storehouses, barns, and sheds built for processing and storing tea and mikan. As the mandarin harvest expanded, the village needed lodging for the seasonal workers who came to pick and sort the fruit. In several places the second floors of neighboring outbuildings were joined above a plot entrance, leaving a passage beneath, so that the structures took on the look of a nagayamon, the long gatehouse form usually seen at samurai residences. A restored watermill hut stands beside the road, and visitors can look inside.
Hokke-ji and the Climb to the Pass
Near the northern end of the settlement, where the houses give way to the climb toward Nihonzaka Pass, stands Hokke-ji, a Tendai temple with the mountain name Takakusa-zan. Temple tradition dates its founding to 738 and credits the monk Gyōki, though the buildings burned in 1570 during fighting over nearby Hanazawa Castle and were rebuilt in the Genroku era (1688–1704). The two-story Niō gate, a gateway guarded by a pair of muscular Buddhist protector figures, was raised in 1703 by a carpenter from neighboring Fujieda and is a Yaizu municipal cultural property.
Inside is a wooden standing image of Shō Kannon, a Shizuoka prefectural cultural property thought to date to the late Heian period. Local people have long venerated it as the "nursing Kannon," a figure women petition for breast milk. Seeing the main hall requires a reservation made about a week ahead. Past the temple the road narrows into a hiking trail over the pass toward Shizuoka. A visitor center occupies a renovated traditional house in the village and is open to walk through, and a couple of old farmhouses along the road now serve as cafés.
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Q&A
- What is Hanazawa, and what makes it special?
- It is a small mountain village in the hills of Yaizu, Shizuoka, with about thirty households along a single valley road. In 2014 it became the first place in the prefecture named a national Important Preservation District for Groups of Traditional Buildings, recognized for its terraced stone walls, main houses, and farm outbuildings tied to tea and mandarin growing.
- How old is the road through the village?
- Known as the Yakitsube no Komichi, it is regarded as one of the oldest surviving sections of the Tōkaidō. It served as a main regional route in the Nara period, and its old place name appears in the eighth-century Man'yōshū poetry anthology.
- Can I go inside the buildings?
- The houses are private homes, so their interiors are not open. A visitor center in a restored traditional house can be toured, and the main hall of Hokke-ji can be seen by reservation made about a week in advance, for which a viewing fee applies. The roadside watermill hut can also be looked into.
- How do I get there, and can I drive into the village?
- It is about ten minutes by car from the Yaizu interchange on the Tōmei Expressway, with free parking at the valley entrance. Cars cannot use the narrow village lane, so you park and walk; Hokke-ji is roughly ten minutes on foot. A loop bus from Yaizu Station also serves the area.
- When is the best time to visit?
- The village rewards a visit year-round. The fresh green of late spring and the mandarin orchards in autumn are especially appealing, and the route also serves as the trailhead for the hike over Nihonzaka Pass.
Basic Information
| Name | Yaizu City Hanazawa Preservation District for Groups of Traditional Buildings (Hanazawa no Sato) |
|---|---|
| Location | Yaizu, Shizuoka Prefecture |
| Designation | Important Preservation District for Groups of Traditional Buildings (selected September 18, 2014; the first in Shizuoka Prefecture) |
| Type | Mountain village settlement |
| Area | About 19.5 hectares (roughly 240 m east–west by 800 m north–south) |
| Selection criterion | A group of traditional buildings and its surrounding environment notably showing regional character |
| Households | About 30 historically; around twenty today |
| Access | About 10 min by car from Tōmei Yaizu IC; free parking at the valley entrance; cars cannot enter the village lane |
| Nearby | Hokke-ji (Tendai temple; Niō gate of 1703, a Yaizu cultural property), Nihonzaka Pass hiking trail, district visitor center |
References
- Database of National Cultural Properties: Yaizu City Hanazawa (Agency for Cultural Affairs)
- https://kunishitei.bunka.go.jp/bsys/maindetails/103/00000112
- City of Yaizu: Yaizu City Hanazawa Preservation District for Groups of Traditional Buildings
- https://www.city.yaizu.lg.jp/museum/rekimin/bunkazai/hanazawanosato/hozon-chiku.html
- Yaizu City Tourism Association: Hanazawa no Sato
- https://www.yaizu.gr.jp/spot/1406
- Hokke-ji (Yaizu City), Wikipedia
- https://ja.wikipedia.org/wiki/法華寺_(焼津市)
Last verified: 2026.05.28