South Fork

Managing agency

Pike-San Isabel NF — South Platte RD

South Fork is a 40-mile out-and-back trail located in Colorado near Colorado, managed by Pike-San Isabel National Forest's South Platte Ranger District. The trail features 546 feet of elevation gain, making it a relatively moderate climb spread across the full distance. This extended out-and-back route offers hikers a lengthy wilderness experience within the Pike-San Isabel National Forest system. The modest elevation gain relative to the trail's length means a steady, manageable grade rather than steep sections. The out-and-back format allows hikers to choose their turnaround point, making the route flexible for different fitness levels and time constraints. The trail traverses terrain managed by the South Platte Ranger District, which encompasses the South Platte River drainage area. This region offers access to forests and backcountry typical of the northern Colorado Front Range and South Park areas. Plan for a full day or multi-day backpacking adventure given the 40-mile distance. Bring adequate water and supplies, and consult current conditions with Pike-San Isabel National Forest before departing.