Mammoth Mountain invites skiers and boarders to "like" their Facebook page and secure a buy one, get one free lift ticket. The resort is only offering this deal through February 17, 2014, but the ticket can be redeemed anytime throughout the season (excluding blackout dates). 

To claim this deal, "like" the facebook page and fill out the BOGO form. The ticket must be physically printed out and presented at an on-mountain ticket window or redeemed over the phone at 1-800-MAMMOTH. The phone orders must be completed 24 hours in advance to the date for use. 

The buy one, get one free tickets must be used on the same day or for two consecutive days for the same person. The tickets cannot be redeemed for blackout days: 2/15/14, 2/16/14, 3/22/14 – 3/29/14.