FOUR MOUNTAINS ONE LIFT TICKET Snowmass Mountain is the largest of the four Aspen/Snowmass ski areas at 3,332 acres (1,448 hectares), 94 trails and 21 lifts. At Snowmass, you'll find terrain for everyone - from beginner to expert. Snowmass has three terrain parks - Lowdown, Little Makaha and Snowmass Park with a 22 foot superpipe. The Treehouse Adventure Center offers childcare for infants and toddlers in a state of the art facility. The Treehouse is also the center for ski and snowboard lessons for children. Wednesday evening is movie night for kids at the Treehouse. Ullr Nights: This is a must do! Ride the Elk Camp gondola on most Friday evenings throughout the winter and experience a Winter Wonderland! Try tubing, ice skating or snowbiking! Enjoy s'mores by the bonfire with live music. The Elk Camp restaurant is open serving a la carte.