Copper Mountain gets the ski-season party started with this opening-weekend bash headlined by Midwest hip-hop phenom Brother Ali (friend and Rhymesayers Entertainment partner of Atmosphere's Slug). Ski and snowboard demos and movie debuts, a pub crawl, loads of prizes, and, of course, skiing and snowboarding round out the annual festival. Fri-Sun: Times, activities, and prices vary. 866-841-2481, official website