Colorado Outdoor Excitement and Summer Events Aspen Snowmass is magical in the summer. The Maroon Bells Snowmass Wilderness is full of wildflower hiking trails, Snowmass Resort has miles of mountain bike riding, and the Roaring Fork River offers world-class whitewater rafting. In Snowmass Village, you can attend free outdoor concerts with famous performers every Thursday night. To help you plan an exciting Colorado getaway, we’ve highlighted the Top 10 Aspen...