Great Flume

Great Flume is an 8.0-mile out-and-back trail located in Colorado near Colorado, managed by Pike-San Isabel National Forest's South Park Ranger District. The route takes hikers through diverse terrain typical of the South Park area, which sits at the intersection of multiple mountain ranges. This moderate-distance hike is well-suited for hikers looking for a full day outing without extreme technical difficulty. The out-and-back format means you'll retrace your steps on the return journey, allowing you to set your own turnaround point if desired. The trail provides access to natural features in the Pike-San Isabel National Forest, one of Colorado's largest national forests. The South Park Ranger District manages over 200,000 acres of public lands with varied ecosystems and scenic views. For trip planning, note that elevation gain information is not currently available. Check with the Pike-San Isabel National Forest South Park Ranger District office for current trail conditions, seasonal closures, or specific hazards before heading out. Late spring through early fall typically offers the most reliable access to trails in this region.