Mt. Masago
真砂岳
Toyama, Toyama / Ōmachi-shi, Nagano · Elevation 2,862 m
Mt. Masago is a 2,861 m peak in Tateyama Town, Toyama Prefecture, rising on the Tateyama section of the Northern Japanese Alps between the Tateyama main summit (Onanjiyama) and Mt. Bessan. Designated a Special Protection Zone within Chubu-Sangaku National Park, the granite massif harbors the Kuranosuke Cirque and Kuranosuke Glacier, one of only seven glaciers confirmed in Japan, on its eastern flank. The Kuranosuke Hut sits about 400 m northeast and below the summit on the Masago Ridge.
Mt. Masago at a glance
- Weather: The most settled day in the next 7 days is Wed, November 4: clear, gusts up to 10 m/s. Fri, Nov 6, Sat, Nov 7, Mon, Nov 9: strong wind (gusts up to 21 m/s).
Mt. Masago weather (hourly, 14 days)
Sunrise today 06:14, 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 | 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 | -10° | -8° | -7° | -7° | -7° | -6° | -1° | 2° | 3° | 2° | -2° | -2° | -2° | -1° | -1° | 0° | 2° | 4° | 2° | 1° | 0° | 0° | -1° | -2° | -2° | -1° | -2° | -6° | -6° | -8° | -10° | -11° | -10° | -10° | -11° | -13° | -14° | -15° | -14° | -13° | -5° | -2° | -4° | -9° | -7° | -6° | -5° | -5° | -4° | -3° | -6° | -14° | -14° | -5° | -5° | -8° | -13° | -10° | -9° | -12° | -13° | -4° | -4° | -13° | -8° | -8° | -7° | -12° | -11° | -1° | -1° | -9° | -9° | -1° | -2° | -2° | -2° | -1° | -5° | -10° | -9° | -4° | -3° | -8° |
| Precipitation | mm | 4.0 | 9 | 5.0 | 0.5 | 0.3 | 1.1 | 0.2 | 1.4 | 0.2 | 7 | 3.3 | 0.8 | 0.8 | 0.6 | 1.4 | 1.3 | 1.5 | 1.6 | 1.9 | 1.7 | 1.6 | 0.9 | 0.1 | 0.4 | 2.5 | 8 | 6 | 1.3 | 1.4 | 2.7 | 0.1 | 1.0 | 11 | 9 | 3.8 | 3.5 | 2.0 | |||||||||||||||||||||||||||||||||||||||||||||||
| New snow | cm | 0.1 | <.1 | 0.4 | 1.1 | 1.3 | 1.5 | 1.9 | 1.8 | 1.6 | 0.9 | 0.1 | <.1 | <.1 | 0.2 | <.1 | 1.0 | <.1 | <.1 | 2.5 | 7.2 | 5.7 | 1.3 | <.1 | 1.4 | 2.2 | 0.1 | <.1 | 1.3 | 1.7 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 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 | <1 | 2 | 4 | 6 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 10 | 16 | 20 | 20 | 19 | 19 | 18 | 17 | 17 | 18 | 19 | 19 | 19 | 18 | 18 | 17 | 17 | 17 | 16 | 15 | 13 | 12 | 10 | 9 | 10 | 10 | 10 | 9 | 9 |
| Wind | m/s | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 1 | 1 | 2 | 0 | 0 | 3 | 2 | 2 | 2 | 2 | 3 | 3 | 2 | 3 | 3 | 4 | 3 | 4 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 3 | 2 | 2 | 2 | 1 | 1 | 0 | 0 | 1 | 2 | 3 | 3 | 3 | 2 | 2 | 1 | 1 | 1 | 2 | 2 | 2 | 7 | 4 | 2 | 1 | 0 | 1 | 0 | 1 | 2 | 3 | 2 | 1 | 0 | 1 | 1 | 1 | 1 | 2 | 1 | 3 | 3 | 2 | 3 | 1 | 0 | 0 | 1 | 1 |
| Wind gusts | m/s | 10 | 9 | 8 | 7 | 7 | 7 | 8 | 10 | 10 | 10 | 10 | 9 | 10 | 10 | 9 | 16 | 14 | 12 | 12 | 11 | 15 | 17 | 18 | 13 | 15 | 17 | 21 | 17 | 17 | 16 | 14 | 18 | 18 | 19 | 20 | 18 | 16 | 15 | 13 | 13 | 11 | 7 | 8 | 9 | 11 | 15 | 18 | 18 | 16 | 14 | 11 | 7 | 8 | 10 | 14 | 14 | 27 | 30 | 20 | 13 | 7 | 9 | 11 | 8 | 12 | 12 | 12 | 11 | 10 | 7 | 7 | 8 | 9 | 11 | 14 | 18 | 19 | 15 | 15 | 15 | 8 | 5 | 7 | 9 |
| Wind dir. | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | |
Huts, campsites and lodging near Mt. Masago
Mountain huts
- 野口五郎小屋 2026: open July 15–September 27 · reservation required · sleeps 40
- Suisho Hut 2026: open July 10–September 30 · reservation required · sleeps 38
- クロマメ小屋 unstaffed
- Shelter unstaffed
- Mitsumatasanso 2026: open July 4–October 15 · reservation required
Campsites
- 雲ノ平キャンプ場
- 三俣蓮華岳テント場
Mt. Masago facts
- Elevation
- 2,862 m
- Location
- Toyama, Toyama / Ōmachi-shi, Nagano
36.425021, 137.633296 - National Park
- 中部山岳国立公園
- Website
- www.env.go.jp
- Wikipedia
- ja.wikipedia.org