Devil's Thumb Ranch has beautiful hiking and biking trails, zipline tours, and stables where you can book a variety of horseback riding adventures. The ranch also has a pool and spa where you can enjoy a massage, the sauna, etc. To read more about these activities check out the webpage here: https://www.devilsthumbranch.com/explore-the-ranch/spring-summer-activities/.
Winter Park Resort also has some beautiful hikes as well as the alpine slide, scenic chairlift rides, and nearby Winter Park Adventure Quest, a self-guided obstacle course of 24 separate challenge elements. WPAQ also offers guided rock climbing experiences in the Arapaho National Forest. For more info visit https://www.winterparkresort.com/things-to-do.
Rocky Mountain National Park is not far away either. The park spans the Continental Divide and has some wonderful hiking trails as well as opportunities for fishing, horseback riding, and camping. This is a good spot if you want to take a drive to see the beauty of the Colorado landscape and wildlife.