Treble Cone saw 573cm of snow across the 2025 season, up 5% on last winter, with 1 fewer powder day than last year. It was the snowiest winter in 15 years.
12
powder daysmornings over 15cm, worth setting an alarm for.
39cm
biggest single daythe mountain reset overnight on 20 Oct 2025.
132cm
deepest basemeasured on 27 Oct 2025.
236cm
snowiest monthSeptember 2025 stole the show.
99cm
best weekseven days from 20 Oct 2025.
192%
of a typical winter's snowfall. A properly big season.
Snow reliability
34/100
MarginalTypically about 80 ski days a season, declining by 20 days per decade.
Snowfall by season
The snowiest winter in 15 years.
Snowfall by month
September was a late-season surge, with 41% of the season's snow.
Modelled base-altitude snowfall from the Open-Meteo ERA5 archive. The grid sits near resort base, not the summit, so treat totals as a valley-level estimate. Source: open-meteo.com.