Castle Rock
Top Spots in and near Castle Rock, Colorado, United States
Castle Rock, CO
5.0
· 1 reviews
The Basics: The Challenge Hill, or as I like to call it, the Mini-Incline, is a shrunken version of its big brother to the south in Manitou. However, don't let its relatively small 200 stair count fool you - this hill is a serious workout! Located in Philip S. Miller Park, just one minute off I-25 i...