The centerpiece of the Snowmass summer experience, Lost Forest packs it all in—the Breathtaker Alpine Coaster, ropes challenge course, climbing wall, hiking trails, disc golf, and trout pond. New for 2026: the Family Lost Forest Base Package covers up to two adults and four children ages 7–12 for one flat rate, so you can explore together.
Summer Activities
Whether you're visiting Aspen in the summer for the first time or the hundredth, the Elk Mountains deliver—lift-accessed biking, Lost Forest adventures, gondola sightseeing, outdoor dining, and summer activities in Colorado unlike anywhere else.
Snowmass Summer 2026 Dates
Daily: June 21–Sept. 7; Weekends: Sept 11-13, Sept 18-20, Sept 25-27, Oct. 2-4
Aspen Mountain Summer 2026 Dates
Weekends: May 23-25, 30-31, Jun 6-7, 13-14; Daily: June 20–Sept. 7; Weekends: Sept 11-13, 18-20, 25-27, Oct. 2-4
Explore the Lost Forest
Child walks on ropes course at Snowmass's lost forest
Top Summer Activities
Also on the Mountain
Visit the Maroon Bells
Visit the Maroon Bells
They will take your breath away the moment you see them: twin 14,000-foot peaks crowning a jewel like valley below. Famous for their iconic white strips and near perfect bell shape, the Maroon Bells anchor a large wilderness area where hiking trails and wildflowers will punctuate your summer vacation.