SNOWLINE
Everything about every ski resort in Japan.
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Green PIA Onuma Ski Area
Hokkaido
グリーンピア大沼スキー場
Official Website
Open in Google Maps
Current Conditions
Snowfall Forecasts
Tenki
SnoFo
Today
Dec 04
5cm
Tmrw
Dec 05
0cm
History
Season
Status
Temporarily Closed
Open Date
2025-12-28
Close Date
Unknown
2024-2025 Season
Open Date
2024-12-25
Close Date
2025-03-09
Course Map
Download Map
Course Map
Course Map (PDF)
Google Maps
Key Metrics
Past Season
Other Links
Surf & Snow
SnowJapan.com
Snow Forecast
tenki.jp
SkiMap.org
