Kokusetsu Horotachi Ski Area saw 272cm of snow across the 2025/26 season, up 15% on last winter, with 1 more powder day than last year. That puts it 19th snowiest of the last 31 winters.
1
powder daymornings over 15cm, worth setting an alarm for.
16cm
biggest single daythe mountain reset overnight on 14 Dec 2025.
98cm
deepest basemeasured on 13 Feb 2026.
102cm
snowiest monthDecember 2025 stole the show.
40cm
best weekseven days from 8 Dec 2025.
95%
of a typical winter's snowfall. Right about average.
Snow reliability
95/100
ExcellentTypically about 138 ski days a season, declining by 4 days per decade.
Snowfall by season
The 19th snowiest of the last 31 winters.
Snowfall by month
December was an early-season standout, with 38% of the season's snow.
Modelled base-altitude snowfall from ERA5 reanalysis (Copernicus), EM Snow archive. The grid sits near resort base, not the summit, so treat totals as a valley-level estimate.