11 Most Epic things to do in Aspen, Colorado in Summer/Spring | From Aspen’s outdoor activities, foodie scene, and wellness opportunities, visiting this serene destination is perfect for the mind, body and spirit. If you are looking for the best things to do in Aspen, Colorado during the summer and spring months, here are some ideas to get started. aspen colorado in summer | aspen colorado in spring | Colorado Travel | What to do in Aspen |