Bought these at Kettlehouse when Whitefish resort was doing their deal. I have (2) of these two 2-day tickets to sell ($109 each).
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The deal is that you have to use 2 days either back to back or within three days (ski Friday, rest Saturday, ski Sunday). You can't spread them out like ski Friday then ski the next Friday.
A normal day lift ticket is $85 and this is 2 days for $109! These are valid with no blackout dates until April 11.
Please let me know if you have any questions.