This is a bucket-list adventure for mountain bikers and hikers seeking the ultimate Crested Butte experience. The loop climbs the famous 401 Trail through unbelievable fields of wildflowers before descending to the pristine Emerald Lake. The return trip offers more spectacular scenery, creating a long but incredibly rewarding day in the heart of the Elk Mountains. It’s a true Colorado epic with non-stop, jaw-dropping views.