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Old 10-23-2011, 10:31 AM   #4 (permalink)
Tarzanman
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Join Date: Dec 2008
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Jackson is usually fully open by mid January, barring normal mid-season closings (due to avy danger or whatever).

Jan is also the 2nd best month for snowfall (Jackson, Wyoming - Wikipedia, the free encyclopedia), so it is your best bet for fresh snow and a fully open mountain.
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