Mount Sanpuku
三伏山
Ōshika-mura, Nagano · Elevation 2,615 m
A 2,615-meter peak in Oshika Village, Nagano Prefecture, near the Shizuoka border in the Southern Alps. It stands on the trail from Sanpuku Pass, regarded as Japan’s highest mountain pass, toward Mount Shiomi, about a 15-minute walk from Sanpuku Pass Hut. The summit overlooks the Ina Valley and Mount Shiomi and offers sunrise, sunset and starry skies. It lies within Minami Alps National Park.
Mount Sanpuku at a glance
- Weather: The most settled day in the next 7 days is Sun, November 8: clear, gusts up to 9 m/s.
- Route: The shortest is Mount Shiomi Out-and-Back via Sanpuku Pass from Torikura Trailhead: about 14 h 43 min, 25.3 km, about 2,180 m of climbing.
Mount Sanpuku weather (hourly, 14 days)
Sunrise today 06:10, sunset 16:52
| Tue, 11/3 | Wed, 11/4 | Thu, 11/5 | Fri, 11/6 | Sat, 11/7 | Sun, 11/8 | Mon, 11/9 | Tue, 11/10 | Wed, 11/11 | Thu, 11/12 | Fri, 11/13 | Sat, 11/14 | Sun, 11/15 | Mon, 11/16 | Tue, 11/17 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Japan time | 15 | 17 | 19 | 21 | 23 | 1 | 3 | 5 | 7 | 9 | 11 | 13 | 15 | 18 | 21 | 0 | 3 | 6 | 9 | 12 | 15 | 18 | 21 | 0 | 3 | 6 | 9 | 12 | 15 | 18 | 21 | 0 | 3 | 6 | 9 | 12 | 15 | 18 | 21 | 0 | 3 | 6 | 9 | 12 | 15 | 18 | 21 | 0 | 3 | 6 | 9 | 15 | 21 | 3 | 9 | 15 | 21 | 3 | 9 | 15 | 21 | 3 | 9 | 15 | 21 | 3 | 9 | 15 | 21 | 3 | 9 | 15 | 21 | 3 | 9 | 15 | 21 | 3 | 9 | 15 | 21 | 3 | 9 | 15 | |
| Temperature | °C | 6° | 0° | -3° | -4° | -4° | -3° | -2° | -2° | 0° | 4° | 7° | 7° | 5° | 3° | 3° | 3° | 3° | 4° | 7° | 10° | 6° | 4° | 3° | 3° | 3° | 2° | 5° | 8° | 6° | 0° | -1° | -3° | -5° | -7° | -1° | 2° | 1° | -6° | -8° | -7° | -6° | -5° | 4° | 5° | 3° | -3° | -2° | -2° | -2° | -2° | 2° | 3° | -5° | -6° | 0° | 0° | -3° | -7° | -4° | 0° | -6° | -5° | 0° | 1° | -5° | -6° | 0° | 2° | -5° | -4° | 2° | 3° | -5° | -3° | 3° | 3° | 2° | 2° | 5° | 7° | -2° | -1° | 1° | 1° |
| Precipitation | mm | 0.3 | 0.8 | 0.2 | 6 | 10 | 6 | 1.3 | 1.5 | 0.2 | 0.1 | 0.3 | 0.4 | 12 | 18 | 0.4 | 0.2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| New snow | cm | <.1 | <.1 | 0.2 | 0.3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Snow depth | cm | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Wind | m/s | 3 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 0 | 1 | 2 | 2 | 2 | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 2 | 1 | 2 | 3 | 2 | 0 | 1 | 1 | 1 | 0 | 2 | 3 | 2 | 1 | 1 | 1 | 0 | 0 | 1 | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 2 | 2 | 1 | 1 | 2 | 4 | 2 | 3 | 3 | 2 | 1 | 1 | 2 | 2 | 0 | 0 | 2 | 2 | 0 | 0 | 1 | 2 | 0 | 1 | 2 | 2 | 2 | 1 | 2 | 3 | 0 | 1 | 1 | 1 |
| Wind gusts | m/s | 9 | 8 | 5 | 4 | 5 | 5 | 5 | 5 | 5 | 6 | 8 | 9 | 7 | 8 | 9 | 13 | 14 | 12 | 7 | 9 | 10 | 10 | 7 | 8 | 10 | 11 | 9 | 12 | 13 | 10 | 8 | 9 | 10 | 10 | 11 | 12 | 12 | 9 | 6 | 6 | 6 | 6 | 7 | 9 | 9 | 6 | 6 | 7 | 7 | 7 | 9 | 11 | 8 | 6 | 8 | 12 | 12 | 16 | 18 | 18 | 10 | 5 | 8 | 10 | 8 | 5 | 11 | 11 | 8 | 5 | 5 | 8 | 7 | 6 | 9 | 12 | 15 | 14 | 11 | 12 | 10 | 5 | 5 | 7 |
| Wind dir. | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | |
Mount Sanpuku hiking routes
Hiking times are estimates calculated from the terrain.
Huts, campsites and lodging near Mount Sanpuku
Mountain huts
- Sanpuku-toge Hut 2026: open July 5–September 25 · reservation required
- Mount Ogochidake Emergency Shelter 2026: open July 11–August 22 · sleeps 5
- Shiomi Hut 2026: open July 1–October 12 · reservation required · sleeps 34
Campsites
- Sanpuku-toge Camping Area
Mount Sanpuku facts
- Elevation
- 2,615 m
- Location
- Ōshika-mura, Nagano
35.557136, 138.145958 - National Park
- 南アルプス国立公園
- Website
- sanpukutouge.com
- Trail Map
- sanpukutouge.com (PDF)
- Access Information
- www.vill.ooshika.nagano.jp