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Iya Kazurabashi: The Vine Bridge of the Hidden Valley
The bridge is made entirely of mountain vines, woven and suspended over a gorge that drops…
The bridge is made entirely of mountain vines, woven and suspended over a gorge that drops fourteen meters to the river below. Every three years, the entire structure is rebuilt from scratch — the same vines, the same method used for over eight hundred years. Walking it requires committing to each step, because the floor has gaps and the bridge moves.
Iya is one of Japan's three great hidden regions — remote valleys in the Shikoku mountains where, according to legend, survivors of defeated clans came to hide in the twelfth century. Whether or not the legend is accurate, the landscape makes it plausible. The gorges are deep. The roads are narrow. The feeling of having arrived somewhere that did not want to be found persists even now.
The Kazurabashi is the most direct way to experience Iya's character. It is not a comfortable crossing. The vines flex underfoot; the drop is visible through the gaps; the far bank seems both close and not close enough. What it offers, in exchange for the discomfort, is the sensation of moving through space the way people here have been moving through space for eight centuries.
The forest begins almost immediately after the train slows into Ōtaguchi Station — cedar pressing close on both sides, the air noticeably cooler, the light filtered into something thin and green. Ōtoyo-chō occupies the middle reaches of the Yoshino River in the heart of the Shikoku Mountains, and roughly nine-tenths of its land is forest. That figure, translated into walking, means that almost every road leads quickly into shade.
At Hōraku-ji, a temple traced back to the eighth century and attributed to the monk Gyōki, the Yakushidō stands in the kind of quiet that old timber holds differently from stone. The building is among the oldest surviving structures on Shikoku. Nearby, the Manyo Botanical Garden and the town's folklore museum occupy the same gentle slope, unhurried and rarely crowded. A thirty-minute walk from the station is enough to arrive in a different register of time entirely.
The town also produces gobishi-cha — a fermented tea, post-fermented in the manner of aged leaves, with a flavor that bears almost no resemblance to what most visitors expect from tea. At Kajigamori, an independent peak rising to around fourteen hundred meters, the Ryūō Falls appear on the hillside mid-ascent, the water loud after rain. The Sugi no Ōsugi, a camphor cedar of extraordinary age and girth enshrined within the grounds of Yasaka Jinja, stands as something the town has simply grown around — not a monument, but a presence.
Stay in Otoyo, Kochi
What converges here
- Horakuji Yakushido
- Sugi no Osugi (Giant Cedar)
- Former Tachikawa Bansho Shoin
- Mount Kajigamori
- Osugi
- Kakumotani
- Toyonaga
- Tosa-Iwahara
- Otaguchi
- Tosa-Anai
- Tosa-Kitagawa