Mt. Senjogatake — The Queen of the Southern Alps and Alpine Flower Paradise

Trail Overview

Mt. Senjogatake (仙丈ヶ岳, 3,033m) stands on the border of Nagano and Yamanashi prefectures in the Southern Alps (Minami Alps / Akaishi Mountains). It is Hyakumeizan #78 and — in contrast to its rugged neighbor Kaikomagatake — earns its nickname “Queen of the Southern Alps” through graceful, sweeping lines and one of Japan’s most beautiful examples of glacial topography.

Three glacial cirques (圏谷, ken-dani) — Ko-shisenjo Cirque, Senjo Cirque, and Dai-senjo Cirque — carve into the mountain’s flanks, forming natural amphitheaters that cradle snowfields well into summer and burst with alpine wildflowers in late July and August.

The mountain is accessible from Kitazawa-toge Pass (2,036m), shared with Kaikomagatake (Hyakumeizan #77), making it one of the most reachable 3,000m peaks in Japan. A day hike is feasible for fit hikers, while a one-night stay at Senjo-goya Hut or Komanose-no-se Hut gives more time for the flowers and views.

Recommended Route: Kitazawa-toge Loop via Ko-Senjogatake

Ascend through forest to the ridge, then traverse the beautiful Ko-Senjogatake (小仙丈ヶ岳) shoulder for dramatic views of Senjo Cirque before reaching the summit. Descend via Senjo-goya Hut and Uma-no-se Hut back to Kitazawa-toge.

Course Time

Section	Duration
Kitazawa-toge → 2nd Station	About 40 min
2nd Station → 5th Station (Otaki-no-kashira)	About 50 min
5th Station → Ko-Senjogatake (2,855m)	About 1 hr
Ko-Senjogatake → Senjogatake Summit	About 1 hr
Total ascent	About 3 hrs 30 min
Summit → Senjo-goya Hut	About 20 min
Senjo-goya Hut → Uma-no-se Hut	About 40 min
Uma-no-se Hut → Kitazawa-toge	About 1 hr
Total descent	About 2 hours
Full loop (with breaks)	About 7–8 hours

Tip: The view from Ko-Senjogatake (2,855m) looking back at Senjogatake and the Senjo Cirque below is one of the finest panoramas in the Southern Alps. Rest here, take photos, and soak in the scale of the cirque before continuing to the summit.

Weather Warning: Afternoon thunderstorms build quickly over the Southern Alps ridge in summer. Aim to be off the exposed upper ridge by 13:00–14:00 at the latest. Start early (leave Kitazawa-toge by 06:00–07:00).

Access Information

From Kofu (Yamanashi side)

• Nearest Station: JR Chuo Main Line, Kofu Station (甲府駅)
• From Tokyo (Shinjuku): JR “Azusa” limited express to Kofu, about 1 hr 40 min
• Bus: Yamanashi Kotsu bus from Kofu Station to Hirogawara (about 1 hr 40 min), then Minami-Alps City bus to Kitazawa-toge (about 40 min)
• By car: Park at Ashiyasu (芦安, free, ~400 spaces) and take the shuttle bus during the climbing season

From Ina (Nagano side)

• Nearest Station: JR Iida Line, Ina-shi Station (伊那市駅)
• Bus: Ina bus to Todai-guchi (Senryu-so / 仙流荘), then Southern Alps Forest Road bus to Kitazawa-toge (about 1 hr)

Season: Late June to early November only. Confirm bus schedules before your trip.

For overseas visitors: The JR Pass covers the “Azusa” express. Bus connections from Kofu require patience — allow extra time. Both Kofu and Ina-shi stations have tourist information offices. English trail maps are available at the trailhead.

Convenience Stores, Shops & Restrooms

Convenience Stores

• Kofu Station area: Multiple convenience stores in and around the station
• Ina-shi Station area: Convenience stores near the station
• No convenience stores beyond Ashiyasu parking lot or Todai-guchi — fully stock up before leaving the station

Shops & Mountain Huts

• Cho-ei Hut (長衛小屋): At Kitazawa-toge campsite. Drinks, light meals, campsite (~50 tent spaces)
• Kitazawa-toge Komorebi Sanso (北沢峠こもれび山荘): Full-service lodge; accommodation and meals (advance booking required)
• Uma-no-se Hut (馬の背ヒュッテ): On the descent route. Accommodation, meals, campsite
• Senjo-goya Hut (仙丈小屋): At 2,864m — just 20 minutes below the summit. Accommodation and meals (advance booking required). One of Japan’s highest-altitude huts

Restrooms

• Kitazawa-toge: Near the bus stop (donation)
• Cho-ei Hut / Komorebi Sanso: Restrooms available
• Senjo-goya Hut: Available for guests and fee-paying hikers

Highlights

Summer (July–August): Alpine Flower Paradise

• Senjo Cirque: The vast bowl just below the summit, where lingering snowfields, wildflower meadows, and blue skies create a quintessential Southern Alps summer scene
• Koma-kusa (Dicentra peregrina): The “king of alpine plants” — clusters of delicate pink flowers growing in the rocky scree of Ko-Shisenjo Cirque and the upper ridge
• Chinguruma, Hakusan-furo, Iwa-kikkyo: A colorful tapestry of alpine flowers blankets the cirque floor through August

Autumn (September–October): Golden Cirques

• The high-alpine grasses (草紅葉) turn gold and copper in September, transforming the cirques into glowing bowls of color
• Exceptional long-range visibility: Kaikomagatake, Kitadake, and Mt. Fuji stand out sharply on clear autumn days
• Note: frost and snowfall are possible on the ridge from early October

Summit Panorama

• North: Kaikomagatake (white summit), Yatsugatake range
• South: Kitadake (Japan’s 2nd highest, 3,193m), Ainodake, Shiomidake
• East: Mt. Fuji on clear days
• West: Central Alps, Mt. Ontake, Mt. Norikura, and the Northern Alps (Yarigatake–Hotaka range)

Why “Queen of the Southern Alps”?

While Kaikomagatake is the dramatic, angular “Prince,” Senjogatake’s softer, cirque-carved profile exudes a serene, majestic femininity. The comparison between the two peaks, visible together from many vantage points, is a classic theme in Southern Alps photography and literature.

Packing Checklist

• ✅ Hiking boots (high-cut recommended)
• ✅ Rain jacket and pants (essential for afternoon thunderstorm protection)
• ✅ Warm insulating layer / fleece (ridge temperatures around 10°C in summer)
• ✅ Trail snacks and lunch
• ✅ Water (at least 2L; refill at Senjo-goya Hut or Uma-no-se Hut)
• ✅ Sunscreen and sunglasses (high UV at altitude)
• ✅ Headlamp
• ✅ Map and compass (or GPS app)
• ⬜ Trekking poles (useful on the descent for knee protection)
• ⬜ Crampons and gaiters (residual snow in cirques from June to early July)