Mt. Itayadake
板屋岳
Ōshika-mura, Nagano · Elevation 2,646 m
Itayadake is a 2,646 m peak on the Nagano–Shizuoka prefectural border, lying on the main ridge of the Akaishi Mountains (Southern Japanese Alps) within Minami Alps National Park. It sits midway on the traverse ridge connecting Mt. Arakawa and Mt. Shiomi and is typically encountered by hikers linking those two peaks. The mountain appears in Japan's 1003 elevation list, the 2500 m peaks list, and the list of 642 peaks over 2,000 m.
Mt. Itayadake at a glance
- Weather: The most settled day in the next 7 days is Sun, November 8: clear, gusts up to 9 m/s.
Mt. Itayadake 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 | 5° | 0° | -3° | -4° | -4° | -3° | -3° | -2° | 0° | 4° | 7° | 6° | 5° | 2° | 3° | 2° | 3° | 4° | 6° | 10° | 6° | 4° | 3° | 3° | 3° | 2° | 5° | 8° | 6° | 0° | -2° | -3° | -5° | -8° | -1° | 2° | 1° | -7° | -8° | -7° | -6° | -5° | 4° | 5° | 3° | -3° | -3° | -2° | -2° | -2° | 1° | 2° | -5° | -7° | 0° | 0° | -3° | -7° | -4° | 0° | -6° | -5° | 0° | 0° | -5° | -6° | 0° | 2° | -5° | -4° | 2° | 2° | -5° | -3° | 3° | 3° | 2° | 2° | 5° | 6° | -3° | -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. | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | |
Huts, campsites and lodging near Mt. Itayadake
Mountain huts
- Takayamaura Shelter 2026: open July 11–August 22 · sleeps 10
- Mount Ogochidake Emergency Shelter 2026: open July 11–August 22 · sleeps 5
- Arakawa Nakadake Evacuation Hut 2026: open July 11–September 22 · sleeps 5
- Arakawa Hut 2026: open July 11–October 11 · reservation required · sleeps 50
- Sanpuku-toge Hut 2026: open July 5–September 25 · reservation required
Campsites
- Arakawa Hut Campsite
- Sanpuku-toge Camping Area
Lists that include Mt. Itayadake
Mt. Itayadake facts
- Elevation
- 2,646 m
- Location
- Ōshika-mura, Nagano
35.517941, 138.146065 - National Park
- 南アルプス国立公園