Mt. Nyū
ニュウ
Koumi, Nagano · Elevation 2,352 m
A 2,351.9 m rocky peak in the Kita-Yatsugatake range in Koumi Town, Nagano. Its boulder-capped summit pokes up from the moss-covered conifer primeval forest characteristic of the area. Reached in about two hours from the Shirakoma-ike parking lot via the lakeshore, the top offers wide views over the Tengu peaks, Mt. Tateshina, the Asama range, and the Okuchichibu mountains. The peak lies within Yatsugatake-Chūshin Kōgen Quasi-National Park.
Mt. Nyū at a glance
- Weather: The most settled day in the next 7 days is Wed, November 4: clear, gusts up to 7 m/s. Sat, Nov 7: strong wind (gusts up to 15 m/s).
- Route: The shortest is Shirakoma Pond and Mount Nyu Loop: about 3 h 15 min, 6.0 km, about 300 m of climbing.
Mt. Nyū weather (hourly, 14 days)
Sunrise today 06:10, sunset 16:50
| 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 | 21 | 23 | 1 | 3 | 5 | 7 | 9 | 11 | 13 | 15 | 17 | 19 | 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 | 12 | 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 | 21 | |
| Temperature | °C | 0° | -1° | -1° | 0° | -1° | -1° | 5° | 8° | 9° | 7° | 3° | 3° | 3° | 3° | 3° | 4° | 7° | 12° | 11° | 7° | 6° | 4° | 4° | 4° | 8° | 10° | 10° | 3° | 1° | -3° | -5° | -5° | 1° | 3° | 1° | -4° | -6° | -4° | -5° | -6° | 2° | 6° | 4° | -1° | -2° | -1° | 1° | 1° | 3° | 8° | 7° | -1° | -2° | 2° | 5° | -1° | -2° | -1° | -1° | -5° | -6° | 2° | 5° | -4° | -3° | 1° | 1° | -5° | -4° | 3° | 7° | -2° | -2° | 6° | 6° | 3° | 3° | 8° | 6° | -1° | -4° | 2° | 5° | 1° |
| Precipitation | mm | 0.8 | 5 | 7 | 3.4 | 1.0 | 0.4 | 1.3 | 0.4 | 0.3 | 0.1 | 0.3 | 0.3 | 0.2 | 9 | 11 | 1.4 | 0.8 | 0.2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| New snow | cm | 0.2 | 0.2 | <.1 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 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 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 0 | 0 | 0 | 2 | 1 | 1 | 2 | 2 | 2 | 1 | 2 | 4 | 3 | 2 | 2 | 2 | 2 | 2 | 3 | 4 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 2 | 2 | 2 | 3 | 2 | 1 | 1 | 2 | 4 | 2 | 3 | 5 | 4 | 1 | 1 | 2 | 2 | 0 | 1 | 3 | 2 | 1 | 1 | 1 | 2 | 1 | 2 | 3 | 2 | 2 | 2 | 2 | 3 | 2 | 1 | 1 | 1 | 1 |
| Wind gusts | m/s | 5 | 4 | 5 | 5 | 4 | 4 | 5 | 6 | 7 | 7 | 7 | 9 | 11 | 11 | 10 | 7 | 6 | 9 | 9 | 8 | 9 | 12 | 13 | 12 | 10 | 13 | 13 | 11 | 9 | 10 | 11 | 12 | 14 | 15 | 14 | 12 | 8 | 7 | 8 | 8 | 7 | 7 | 8 | 6 | 7 | 10 | 10 | 10 | 10 | 12 | 13 | 7 | 5 | 8 | 17 | 14 | 15 | 21 | 23 | 17 | 8 | 8 | 11 | 9 | 8 | 11 | 13 | 10 | 7 | 6 | 7 | 7 | 8 | 10 | 14 | 12 | 16 | 13 | 13 | 13 | 8 | 5 | 7 | 7 |
| Wind dir. | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ||
Mt. Nyū hiking routes
- Shirakoma Pond and Mount Nyu Loop 6.0 km · Ascent 295 m 白駒の池 (Bus stop) (parking)
- Shirakoma Pond, Nyū and Nakayama Circuit 8.1 km · Ascent 501 m 白駒の池 (Bus stop) (parking)
Hiking times are estimates calculated from the terrain.
Huts, campsites and lodging near Mt. Nyū
Mountain huts
- しらびそ小屋 2026: open all year · reservation required · sleeps 20
- Shirakomaso 2026: open all year · reservation required · sleeps 80
- Kuroyuri Hutte 2026: open all year · reservation required · sleeps 60
- Seitaiso 2026: open May 1–October 12 · reservation required
- Takamiishigoya 2026: open all year · reservation required · sleeps 64
Campsites
- ミドリ池キャンプ場
- 黒百合ヒュッテ テント場
- 青苔荘 テント場
- 高見石小屋 テント場
- 本沢温泉テント場
Lodging
- 稲子湯
- Karasawa Kousen
- 小海リエックス・ホテル
- 府中市民保養所やちほ
Mt. Nyū facts
- Also known as
- ニュー · にう · 乳 · 入
- Elevation
- 2,352 m
- Location
- Koumi, Nagano
36.039526, 138.370362 - National Park
- 八ヶ岳中信高原国定公園
- Website
- yachiho-kogen.jp
- Trail Map
- mt-yatsugatake.jp (PDF)
- Wikipedia
- en.wikipedia.org