Boku'un-ji (卜雲寺)
Where the Kannon of Mt. Bukō came down the mountain to keep her devotees
Yokoze, Japan
Station 6 of 34
Chichibu 34 Kannon PilgrimageAt A Glance
- Coordinates
- 35.9837, 139.1142
- Suggested Duration
- 30–45 minutes for a focused visit including the goshuin.
- Access
- About 1 km southeast of Goka-dō and 0.5 km north of Hōchō-ji, in Yokoze Town. From Yokoze Station on the Seibu Chichibu Line, about 15–20 minutes on foot. Limited on-site parking. Mobile phone signal is reliable in Yokoze.
Pilgrim Tips
- About 1 km southeast of Goka-dō and 0.5 km north of Hōchō-ji, in Yokoze Town. From Yokoze Station on the Seibu Chichibu Line, about 15–20 minutes on foot. Limited on-site parking. Mobile phone signal is reliable in Yokoze.
- Comfortable, modest clothing. White oizuru optional. Remove hats inside any interior worship space.
- Exterior photography is fine. Avoid flash inside the main hall. Do not photograph the principal image during the Horse-Year unveiling without explicit permission.
- Quiet conduct in the precinct. Drone use is prohibited without prior temple consent. Do not photograph the principal image during the Horse-Year unveiling without explicit permission.
Overview
Boku'un-ji is the sixth station of the Chichibu 34 Kannon Pilgrimage in Yokoze, Saitama. The Sōtō Zen temple — also known as Hagino-dō — preserves a Shō Kannon image traditionally said to have been carved by Gyōki and originally enshrined at the Zaō Gongen shrine on the summit of Mt. Bukō.
Boku'un-ji sits in the Yokoze valley with a clear view of Mt. Bukō, the limestone peak that dominates the Chichibu skyline. The temple's full name, Kōyōzan Boku'un-ji, points toward the morning sun ('Sun-Facing Mountain'); locally it is also called Hagino-dō (荻野堂), preserving the older Kannon hall that the temple absorbed in 1760. To visit Boku'un-ji is to visit a layered identity: a 1638 Sōtō foundation and an older folk-religious thread that traces back, by tradition, to the 8th century and to Mt. Bukō itself.
The principal image is a Shō Kannon (Holy Kannon, Āryāvalokiteśvara). According to the 1781 Hagino-dō Picture Scroll, the figure was originally carved by Gyōki (668–749) and enshrined at the Zaō Gongen shrine on the summit of Mt. Bukō, where it was credited with subduing both a mountain witch and a great serpent. As the summit shrine fell out of practice, the image came down the mountain to the Hagino-dō, which after multiple fires and reconstructions was finally absorbed into Boku'un-ji's main hall. The Mt. Bukō summit shrine is no longer an independent worship site; the tradition lives on at Boku'un-ji.
The Sōtō foundation came in 1638 (Kan'ei 15), when the priest Buigai Shundō established the temple with the support of the lay patron Bokuun Nyūdō — Shimada Mikawa-no-kami Shirōzaemon, whose Buddhist name (卜雲) gave the temple its name. The Hagino-dō was rebuilt at Boku'un-ji in 1760 after fire destroyed it at its original site. A major fire in 1876 destroyed the main hall and other structures; rebuilding completed around 1907, at which point the Hagino-dō's principal image was enshrined in the new main hall. The current temple buildings date from this Meiji-era reconstruction.
In 2026, the once-in-twelve-years Year of the Horse sōkaichō (March 18 – November 30) opens the inner zushi to public viewing for the first time since 2014, allowing pilgrims to see the principal Shō Kannon directly.
Context And Lineage
Boku'un-ji is the surviving address of an older Mt. Bukō Kannon tradition. Founded in 1638 by Buigai Shundō with the lay patron Bokuun Nyūdō, the temple absorbed the Hagino-dō and its Mt. Bukō image into its main hall in successive reconstructions through 1907.
Per the Hagino-dō Picture Scroll painted in 1781: Gyōki, traveling through Chichibu, encountered a yamamba (mountain witch) tormenting people on Mt. Bukō. He drove her away, prayed at a waterfall for the people's protection, and saw a Kannon appear. He carved the figure he had seen and enshrined it at the Zaō Gongen shrine on Mt. Bukō's summit. The image later worked the further miracle of subduing a great serpent (daija) at the future site of the Hagino-dō, where the hall was built in commemoration. In 1638, the Sōtō priest Buigai Shundō founded Boku'un-ji with the support of the lay patron Bokuun Nyūdō; the Hagino-dō was rebuilt at Boku'un-ji in 1760, and after the 1876 fire the principal image was enshrined in the present main hall around 1907.
Sōtō Zen, with the mountain name Kōyōzan ('Sun-Facing Mountain'). The temple absorbed the older Hagino-dō and its Mt. Bukō Kannon tradition through a series of reconstructions; the Sōtō reorganization that consolidated the Chichibu pilgrimage in the late Edo and Meiji periods incorporated Boku'un-ji as one of its mid-circuit anchors.
Buigai Shundō (奉外蕣堂)
Founding Sōtō Zen priest of Boku'un-ji, 1638. Established the temple's institutional identity with the support of the lay patron whose name it bears.
Bokuun Nyūdō (Shimada Mikawa-no-kami Shirōzaemon)
Lay patron of the 1638 foundation. His Buddhist name (卜雲) gave the temple its name.
Gyōki (668–749)
Nara-period itinerant monk traditionally credited with carving the principal image and enshrining it at the Mt. Bukō summit shrine. The attribution is hagiographic.
Anonymous painter of the 1781 Hagino-dō Picture Scroll
Edo-period artist who recorded the foundation legend in painted form, preserving the Mt. Bukō Kannon tradition for later generations.
Meiji-period reconstructors (c. 1907)
Anonymous builders of the present main hall after the 1876 fire; responsible for enshrining the Hagino-dō's principal image in the new hall.
Why This Place Is Sacred
Boku'un-ji's thinness comes from its sightline to Mt. Bukō and from its layered identity. The temple holds within it the older Hagino-dō, which in turn held the Mt. Bukō Kannon — three names for one continuing devotional thread.
The thinness of Boku'un-ji is read through the mountain. Mt. Bukō remains visible across the basin from the temple precinct on clear days. Pilgrims standing in front of the main hall stand in line of sight with what was, until modern quarrying transformed its profile, one of the basin's most important sacred peaks. The summit shrine is gone, but the image that lived there is here.
Three elements amplify the threshold. The first is the visible mountain itself: pilgrims who have grown up seeing Mt. Bukō from a Tokyo or Kanto-region distance often report that Boku'un-ji is the temple where the mountain stops being scenery and becomes a sacred topography with its own continuing history. The second is the layered name — Boku'un-ji on the institutional sign, Hagino-dō in local memory, Mt. Bukō Kannon in the founding scroll — a small sequence of devotional addresses for one lineage. The third is the 1781 Hagino-dō Picture Scroll, which preserves the foundation legend in painted form: a tangible piece of Edo-period devotional historiography held inside a Yokoze valley temple.
By tradition, an 8th-century Kannon image carved by Gyōki and enshrined at the Zaō Gongen shrine on the summit of Mt. Bukō. The Gyōki founding tradition is hagiographic; what is documentary is the 1638 Sōtō Zen establishment of Boku'un-ji and the absorbed older Hagino-dō.
From legendary Mt. Bukō summit shrine carving (8th century by tradition) → Hagino-dō hall on the mountain's lower slopes → 1638 Sōtō foundation of Boku'un-ji → 1760 reconstruction of the burned Hagino-dō at Boku'un-ji → 1876 fire and 1907 Meiji-era rebuilding with the principal image enshrined in the present main hall.
Traditions And Practice
Daily Sōtō liturgy by resident priests; goshuin issuance for pilgrims; cultural-property stewardship of the Hagino-dō tradition. The 2026 Year of the Horse sōkaichō opens the inner zushi from March 18 through November 30.
Recitation of the Kannon-kyō or Heart Sutra at the main hall; offerings of incense and a small coin; leaving an osamefuda inscribed with personal prayers; annual Sōtō memorial liturgies for parishioners; pilgrim prayers at Boku'un-ji explicitly directed toward Mt. Bukō, visible across the basin.
Sōtō priests perform daily liturgy and issue goshuin. The Hagino-dō Picture Scroll narrative is occasionally referenced in pilgrim materials. The 2026 Horse-Year unveiling intensifies devotional traffic from March through November.
Allow 30–45 minutes for a focused visit including the goshuin. Pilgrims interested in the layered Mt. Bukō tradition should pause to look at the mountain from the precinct on a clear day — the temple's identity becomes more legible with the sightline.
Sōtō Zen Buddhism
ActiveBoku'un-ji is institutionally a Sōtō Zen temple of the Kōyōzan line, founded in 1638 by the priest Buigai Shundō with the lay patron Bokuun Nyūdō, whose Buddhist name gave the temple its name. The Sōtō reorganization that consolidated the Chichibu pilgrimage in the late Edo and Meiji periods incorporated Boku'un-ji as one of its mid-circuit anchors.
Daily Sōtō liturgy by resident priestsGoshuin issuance for pilgrimsMemorial services for parishioners and ihai memorial tablet ceremonies
Kannon (Avalokiteśvara) devotion
ActiveThe principal image is a Shō Kannon (Holy Kannon, Āryāvalokiteśvara). According to the Hagino-dō Picture Scroll painted in 1781, the figure was originally carved by Gyōki and enshrined at the Zaō Gongen shrine on the summit of Mt. Bukō. The image was later moved down to the Hagino-dō, which after multiple fires and reconstructions was absorbed into Boku'un-ji's main hall.
Recitation of the Kannon-kyō or Heart Sutra at the main hallOfferings of incense and a small coinLeaving an osamefuda inscribed with personal prayers
Mt. Bukō / Zaō Gongen folk-religious tradition (relocated)
HistoricalThe Hagino-dō Picture Scroll preserves the local foundation legend: Gyōki, while passing through Chichibu, drove away a yamamba (mountain witch) tormenting people of Mt. Bukō, prayed at a waterfall for their safety, and saw Kannon manifest. He carved the figure he had seen and enshrined it at the Zaō Gongen shrine on the summit of Mt. Bukō. The image was later moved down the mountain to the Hagino-dō, which in turn merged with Boku'un-ji. The Mt. Bukō summit shrine is no longer an independent site of worship; the tradition lives on at Boku'un-ji.
Pilgrim prayers at Boku'un-ji explicitly directed toward Mt. Bukō, visible across the basinReading of the Hagino-dō Picture Scroll narrative when displayed
Experience And Perspectives
Pilgrims describe Boku'un-ji as a smaller, more domestic temple than Kinshō-ji, with a clear view of Mt. Bukō from the precinct on clear days. The connection to the Mt. Bukō legend is the temple's most distinctive note.
Walking pilgrims arriving at Boku'un-ji from Goka-dō cover only about 1 km, often passing through residential lanes and small Yokoze fields. The precinct is modest in scale, and the priests who staff the stamp office are accustomed to first-time pilgrims and tour-bus groups alike. Many visitors comment on the view of Mt. Bukō from the temple grounds, especially in winter when the mountain stands sharp against clear air.
The walking distance from Goka-dō and Hōchō-ji is short, and many pilgrims pair the three Yokoze temples in a single afternoon. The relative quiet of the precinct, after the visual density of Kinshō-ji and the unmanned formality of Goka-dō, often gives Boku'un-ji a domestic register — more local than monumental. Pilgrims who pause to consider the founding legend may find that the temple invites a particular kind of attention to Mt. Bukō: the mountain not as backdrop but as a site of continuing devotional address.
Bow at the gate and purify hands and mouth at the temizuya. Approach the main hall, place a coin in the saisen-bako, recite a sutra, and leave an osamefuda. Pause to look toward Mt. Bukō from the precinct on a clear day; the temple's identity is bound up with the mountain. Receive the goshuin at the stamp office.
Boku'un-ji holds a layered identity: institutional Sōtō Zen foundation, absorbed Hagino-dō, and surviving address of the Mt. Bukō Kannon tradition. Each register contributes to the temple's felt character.
Scholars treat Boku'un-ji as a late-Edo-founded Sōtō Zen temple (1638) that absorbed the older Hagino-dō and its Mt. Bukō Kannon tradition. The Hagino-dō Picture Scroll (1781) is the principal documentary source for the Gyōki and Mt. Bukō legends; its narratives are read as devotional history rather than archival history.
Local Yokoze tradition continues to treat Boku'un-ji as the surviving address of Mt. Bukō Kannon devotion, even though the summit shrine is no longer maintained. The temple's pairing with Mt. Bukō remains a key part of its felt identity.
Popular pilgrim guides sometimes interpret Boku'un-ji as an example of how a sacred mountain's devotional life can migrate down to a basin temple as the upper site becomes inaccessible — a small case study in how Japanese sacred geographies adapt over centuries.
The 8th-century Gyōki carving of the principal image is hagiographic; the actual age of the surviving image is not documented in available sources. The full state and accessibility of the 1781 Hagino-dō Picture Scroll are not specified.
Visit Planning
Open year-round; stamp office hours typically 08:00–17:00 March–October and 08:00–16:00 November–February. The 2026 Year of the Horse sōkaichō (March 18 – November 30) opens the inner zushi to public viewing.
About 1 km southeast of Goka-dō and 0.5 km north of Hōchō-ji, in Yokoze Town. From Yokoze Station on the Seibu Chichibu Line, about 15–20 minutes on foot. Limited on-site parking. Mobile phone signal is reliable in Yokoze.
Yokoze Town offers small minshuku and farm-stays close to the fifth through ninth temples. Central Chichibu, about 10–15 minutes by car, has a fuller range of ryokan and Western-style hotels.
Standard Japanese Buddhist temple etiquette applies: bow at the gate, purify, chant or pray quietly, and follow the staff's lead at the stamp office.
Bow at the gate and purify hands and mouth at the temizuya. Approach the main hall, place a coin in the saisen-bako (5 yen traditional), light incense if available, and chant or pray quietly. Leave an osamefuda at the designated box. At the stamp office, hand over your stamp book opened to the correct page and wait while the goshuin is brushed and stamped.
Comfortable, modest clothing. White oizuru optional. Remove hats inside any interior worship space.
Exterior photography is fine. Avoid flash inside the main hall. Do not photograph the principal image during the Horse-Year unveiling without explicit permission.
Small coin (5 yen traditional), incense, osamefuda. Goshuin fee typically 300–500 yen.
Quiet conduct in the precinct. Drone use prohibited without prior temple consent.
Sacred Cluster
Nearby sacred places create the location cluster described in the growth plan. This block is intentionally crawlable and links into the wider regional graph.
