Chili Cook-Off & Beer Fest The Copper Mountain Chubby Chili Pepper Cook-off and Cold Beer Fest will be on Saturday, September 19, 2015 from 2-5pm. Come and sample a variety of chili concoctions that will get your taste buds fired up! Take a scenic ride around the Copper Triangle, while the Aspens are aglow and finish your day at Copper Mountain with free live music. $20 bucks gets you a VIP ticket and includes unlimited sampling, and a vote for your favorite Chili.