- The list below includes 93 free or cheap things to do in or near Castle Rock, Colorado, including 88 different types of inexpensive activities like Art Gallery, Parks, Hiking Trails and Playgrounds.
- From Rock Park to Ridgeline Open Space, there are a variety of budget-friendly attractions in Castle Rock and in nearby cities within 25 miles like Littleton, Aurora, Englewood and Parker.
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50.0 Miles
Recommended for intermediate to advanced hikers, Mt. Sanitas Trail offers visitors a scenic dirt trail that leads up the side of the mountain. Visitors are welcome to bring their dogs on the trail if they are leashed.