Yuki no Otani Snow Wall Walk (Tateyama Kurobe Alpine Route)
Chubu & Hokuriku ・ Toyama / Tateyama Kurobe Alpine Route
Usually mid-April (the day the Alpine Route fully opens) to late June
Toyama, Tateyama Kurobe Alpine Route, Kurobe Dam, Unazuki Onsen
The area stretching from Toyama City on Toyama Bay along the Tateyama Kurobe Alpine Route — which passes through Murodo at 2,450 m before crossing into Nagano Prefecture — to Kurobe Dam and Unazuki Onsen. Temperatures are for Toyama City; up in the mountains, at places like Murodo, it's much colder than in Toyama City and the weather changes quickly.
JMA forecast issued Oct 22, 11 AM
Weather and wind are for the wider area; temperature is for the main forecast point. Chance of rain is for the 6-hour period.
The Alpine Route usually opens fully in mid-April. You can walk through Yuki-no-Otani, the snow walls on the Murodo plateau, from mid-April to late June.
The sightseeing water discharge runs every year from June 26 to October 15. In summer you can also see alpine flowers around Murodo.
| Month | High | Low | Precip. | Max snow depth | What to wear |
|---|---|---|---|---|---|
| Jan | 6.3℃ | 0.2℃ | 259mm | 40cm | Winter coatDown or heavy coat, gloves, waterproof shoes |
| Feb | 7.4℃ | 0.1℃ | 171.7mm | 39cm | Winter coatDown or heavy coat, gloves, waterproof shoes |
| Mar | 11.8℃ | 2.6℃ | 164.6mm | 10cm | Warm jacketLight down or winter coat, sweater |
| Apr | 17.6℃ | 7.4℃ | 134.5mm | — | Long sleeves + jacketLong sleeves with a light jacket or hoodie |
| May | 22.7℃ | 12.9℃ | 122.8mm | — | T-shirt + layerT-shirt, plus light long sleeves for mornings and evenings |
| Jun | 25.7℃ | 17.7℃ | 172.6mm | — | T-shirtT-shirt, with a light layer for evenings and air conditioning |
| Jul | 29.8℃ | 22.1℃ | 245.6mm | — | T-shirtT-shirt, with a light layer for evenings and air conditioning |
| Aug | 31.4℃ | 23.2℃ | 207mm | — | T-shirtT-shirt, with a light layer for evenings and air conditioning |
| Sep | 27.0℃ | 19.1℃ | 218.1mm | — | T-shirtT-shirt, with a light layer for evenings and air conditioning |
| Oct | 21.6℃ | 13.1℃ | 171.9mm | — | T-shirt + layerT-shirt, plus light long sleeves for mornings and evenings |
| Nov | 15.7℃ | 7.3℃ | 224.8mm | — | Long sleeves + jacketLong sleeves with a light jacket or hoodie |
| Dec | 9.5℃ | 2.5℃ | 281.6mm | 23cm | Warm jacketLight down or winter coat, sweater |
Clothing tips are based on the normal high temperature and snow depth. Bring an extra layer for mornings and evenings.
Prices and availability are shown on Agoda.
April highs in Toyama City are around 18°C. The Alpine Route opens in mid-April, but Murodo is a world of snow, so you'll need winter clothing and sunglasses.
August in Toyama City is hot, with highs around 31°C. It's cool up in the mountains, but the weather can change suddenly, so bring rain gear and a long-sleeved jacket.
October highs in Toyama City are around 22°C. Murodo gets quite cold during the mountain autumn leaf season, so a down jacket is a good idea.
The Alpine Route does not operate in winter. Toyama City highs are around 6–7°C, and the average maximum snow depth in January is 40 cm.
Chubu & Hokuriku ・ Toyama / Tateyama Kurobe Alpine Route
Usually mid-April (the day the Alpine Route fully opens) to late June
Chubu & Hokuriku ・ Toyama / Tateyama Kurobe Alpine Route
🌸 Typical peak: Late Mar – Early Apr
Chubu & Hokuriku ・ Tateyama Kurobe Alpine Route, Toyama
🍁 Typical peak: Mid Sep – Mid Oct
Chubu & Hokuriku ・ Toyama / Tateyama Kurobe Alpine Route
A torokko (open-air) train running from Unazuki Onsen deep into the Kurobe Gorge. Full-line service between Unazuki and Keyakidaira resumed on October 1, 2026, and you can ride all the way to the Keyakidaira terminus during the operating season until November 30. From the windowless open cars, you can enjoy the beauty of the gorge and the views from the railway bridges.
Chubu & Hokuriku ・ 5 consecutive days (in 2026, usable from April 15 to November 10)
From ¥24,500
Nationwide ・ Three types: 7, 14 or 21 days. The period of use cannot be extended or changed
From ¥50,000
Back to the Chubu & Hokuriku Weather Guide (all months & areas) →
Source: Japan Meteorological Agency (climate normals 1991-2020). Compiled by tripuuu.log. Temperature and snow figures are normals from the Toyama station; actual weather varies from year to year.