Accidents in backcountry areas are on the rise. We are entering a period when avalanches are more likely to occur, so to safely enjoy the Hokkaido winter and to prevent accidents, thoroughly prepare for backcountry outings by checking the weather, bringing winter mountain gear, and carrying communication devices like a smartphone.
Please check this multilingual leaflet for more information.
https://www.hiecc.or.jp/soudan/info/detail.html?pid=9272295342612