This personal blog contains snow, avalanche and weather data along with weekly commentary that may be useful in planning your Hakuba backcountry outings.

More important than anything else

1. Hakuba Avalanche Bulletin by the Japan Avalanche Network.
2. Understand the Avalanche Danger Scale.
3. Know what the avalanche problem is and how to avoid it.
4. Carry beacon, shovel and probe in the backcountry. Know how to use them.

Other useful info

+ Unofficial Avalanche Terrain Exposure Scale (ATES) for Hakuba
+ Backcountry conditions from Japan Avalanche Network members.
+ Hakuba MountainLife Magazine. Especially the centerfold.
+ Hakuba MountainLife Facebook page

For avalanche courses and backcountry guiding in Hakuba please visit For 9 seasons this blog has provided valuable info without a single ad nor any payment. Please support us.

Recent weather data recorded at 6am each day for the preceding 24 hours. Altitude 800m.

Data for the coming season will appear here soon. Please check back later.

This map shows surface wind and temperatures. Please visit for an interactive version.

This data is for the Hakuba area (8km grid) at 1100m elevation.

Seasonal Comparisons