The Challenge Hill, Castle Rock Trip log: 0.10 miles up the hill, 0.4-mile trail down, 168-foot elevation gain, 6,509 feet max Difficulty: Difficult Getting there: Off Interstate 25, exit for Plum ...

Seth Boster, The Gazette An overview of Philip S. Miller Park in Castle Rock. The Challenge Hill, a 200-step mini version of the Manitou Incline, is seen to the right, and the amphitheater below.

WHERE: Terrain at Castle Rock; master planned community with walk-to school, extensive parks & trails, swim club; 3-&-4-bed family-sized homes & ranches by 4 builders, some homes for quick move-in ...