The 20th Annual Celebrity Winterfest®, benefiting Special Olympics Northern California and Nevada, will take place at Diamond Peak Ski Resort and The Hyatt Regency Lake Tahoe Resort, Spa, and Casino March 12-13, 2016. The weekend kicks off with opening ceremonies and lighting of the torch on the Base Lodge Deck before corporate teams, along with their celebrity and Special Olympics athletes, race head-to-head in a fun ski challenge.