Daibosatsu-rei (大菩薩嶺, 2,057 m) is not famous for its summit — the highest point is a forested bump with no view. The draw is the open, grassy view-ridge that runs between Kaminari-iwa (雷岩) and the Daibosatsu pass (大菩薩峠, 1,897 m), about 2 km south of the wooded summit. From this bright ridge, hikers look out over Mount Fuji, the Southern Alps, and the Kofu basin. Easy road access from the Tokyo direction, gentle terrain, and a long panoramic ridge make Daibosatsu-rei one of the most-visited mountains in the region. The pass also holds a famous place in modern Japanese literature.
Why Fukada Chose Daibosatsu-rei
Daibosatsu-rei appears in Kyuya Fukada's Nihon Hyakumeizan. The book is ordered roughly north to south, not by rank — it sits between Mizugaki-yama and Tanzawa-san.
Fukada drew attention to the mountain's paradox: the summit itself is a viewless point in the trees, while the ridge leading up to it is one of the finest open viewpoints in the mountains near Tokyo. The pass is also one of the most recognisable place names in modern Japanese literature, as the title of Nakazato Kaizan's epic serial novel Daibosatsu Tōge.
The Mountain
| Feature | Detail |
|---|---|
| Elevation | 2,057 m (6,749 ft) — forested summit |
| Prefecture | Yamanashi (Oku-Chichibu range) |
| Key viewpoint | Kaminari-iwa (雷岩) and the grassy ridge to Daibosatsu pass (1,897 m) |
| Panorama | Mount Fuji, Southern Alps, Kofu basin |
| Hyakumeizan | Included (book order is roughly north-to-south, not a ranking) |
| Typical season | Late spring to autumn (road access closed in deep winter) |
The Routes
Standard loop from Kamikawa-toge
Grade: Easy–Moderate
- Distance: roughly 8 km loop
- Elevation gain: about 650 m cumulative
- Time: around 4 hours
- Character: From the Kamikawa-toge trailhead (about 1,600 m), the loop climbs past Fuku-chan-so to Kaminari-iwa, where the open grassy ridge and the Fuji panorama begin. A short detour reaches the forested true summit of Daibosatsu-rei, then the route follows the view-ridge down to the Daibosatsu pass and back via Ishimaru-toge. The summit itself is in the trees with no view; the reward is the ridge between Kaminari-iwa and the pass.
Long loop from Sakeishi via Marukawa-toge
Grade: Moderate
- Distance: about 14.7 km loop
- Elevation gain: about 1,345 m cumulative
- Time: around 6 hours 40 minutes
- Character: The longer, lower start from Sakeishi (裂石) climbs through forest over Marukawa-toge before joining the high ridge. A fuller day with more sustained climbing. This is also the on-foot approach used in winter, when the upper road to Kamikawa-toge is closed.
Getting There
By public transport:
Take the JR Chuo Main Line to Kai-Yamato Station (甲斐大和駅). From there, the Eiwa Kotsu bus on the "Daibosatsu Kamikawa-toge line" runs to the Kamikawa-toge trailhead in about 40 minutes for roughly 1,000–1,020 yen. The bus is seasonal and infrequent — on the order of three runs on weekdays and five on weekends and holidays — so check the current timetable before travelling.
By car:
Exit the Chuo Expressway at Katsunuma IC (勝沼IC); it is about 19 km from there to the Kamikawa-toge car park, which holds several hundred vehicles. The access road is closed in winter (see the seasonal guide below).
Mountain Huts
Three huts serve the standard route, all on the Yamanashi side:
| Hut | Location | Notes |
|---|---|---|
| Rojji Chobei (ロッヂ長兵衛) | Kamikawa-toge trailhead, about 1,600 m | Lodge at the road-accessible start of the standard loop |
| Fuku-chan-so (福ちゃん荘) | About 25 minutes above the trailhead | Lodge with tent sites, below the pass |
| Kaizanso (介山荘) | At Daibosatsu pass, 1,897 m | Staffed lodge with the famous Fuji, Southern Alps and Kofu-basin panorama; named after author Nakazato Kaishan |
Flora and Wildlife
Asiatic black bears (ツキノワグマ): This Honshu range is Asiatic black bear country, present in the lower forested zones. Carry a bear bell and stay alert on quiet forest sections. (Bear spray and the precautions used against Hokkaido brown bears are not needed here — only the brown bear lives in Hokkaido.)
The view-ridge: The bright, open grassland between Kaminari-iwa and the pass is the scenic heart of the walk, with continuous views toward Fuji and the Southern Alps. Azalea (tsutsuji) grows on the lower slopes; detailed flowering species lists are best confirmed locally in season.
Seasonal Guide
Late spring to early summer: The road and trail open as snow clears from the ridge. Clear, settled days give some of the best visibility of the year.
Summer: The busiest period. The easy road access brings many day-trippers rather than technical climbers, so the trails are well travelled but the terrain stays straightforward.
Autumn: Often the finest time to visit. Autumn colour fills the lower forested approaches, and the clear autumn air gives the sharpest Fuji views.
Practical Tips for Foreign Visitors
Set expectations: With the road-accessible Kamikawa-toge start, the standard loop is one of the more approachable Hyakumeizan outings, within reach of anyone with basic hiking fitness in season. Aim for Kaminari-iwa and the view-ridge to the pass; the true summit is a viewless point in the trees.
Literary context: The pass owes its fame to Daibosatsu Toge, a monumental serial novel by Nakazato Kaishan (中里介山), published from 1913 to 1941 across 41 volumes and left unfinished at the author's death. The staffed hut at the pass, Kaizanso (介山荘), is named after him — a tangible link to the book for visitors standing at the col.
Plan the bus: Public transport relies on the seasonal Eiwa Kotsu bus from Kai-Yamato Station, which runs only a few times a day. Confirm the current timetable and the road-opening dates before committing to a car-free trip.
Frequently Asked Questions
Is Daibosatsu-rei a day hike or an overnight?
It is a day hike. The standard loop from the Kamikawa-toge trailhead is roughly 8 km with about 650 m of cumulative gain and takes around 4 hours, so it fits comfortably into a single day in season.
Can I reach Daibosatsu-rei without a car?
Yes, in season. Take the JR Chuo Main Line to Kai-Yamato Station, then the seasonal Eiwa Kotsu bus on the "Daibosatsu Kamikawa-toge line" to the Kamikawa-toge trailhead — about 40 minutes for roughly 1,000–1,020 yen. The bus runs only a few times a day (on the order of three runs on weekdays and five on weekends and holidays), so confirm the current timetable before travelling.
When is the best time to visit, and when are the access roads closed?
Autumn is often the finest time, with autumn colour on the lower approaches and the sharpest Fuji views; late spring to early summer also gives clear, settled days. The access roads to Kamikawa-toge are gated shut in winter — Prefectural Road 218 from roughly early January to mid-April, and the Marukawa-toge branch of Prefectural Road 201 from roughly mid-December to mid-April — so the easy road approach is unavailable then.
Are there bears, and do I need bear spray?
This Honshu range is Asiatic black bear country, present in the lower forested zones. Carry a bear bell and stay alert on quiet forest sections. Bear spray and the precautions used against Hokkaido brown bears are not needed here, since only the brown bear lives in Hokkaido.
Is Daibosatsu-rei suitable for beginners?
Yes. With the road-accessible Kamikawa-toge start, the standard loop is one of the more approachable Hyakumeizan outings, within reach of anyone with basic hiking fitness in season. Aim for Kaminari-iwa and the view-ridge to the pass; the true summit is a viewless point in the trees.
This guide is part of the Japan's 100 Famous Mountains: Complete Hyakumeizan Guide series.
