Lost Man Loop

Managing agency

Pike-San Isabel NF — South Park RD

Lost Man Loop is a 17.8-mile out-and-back trail located in Colorado near Colorado, managed by Pike-San Isabel National Forest's South Park Ranger District. This trail offers a substantial hiking experience for those seeking an extended backcountry adventure in the South Park area. The route traverses the Pike-San Isabel National Forest, providing hikers access to remote wilderness terrain characteristic of the region. The out-and-back format allows hikers to turn around at any point, making it flexible for different fitness levels and time constraints, though the full distance represents a significant commitment. The trail is maintained by the South Park Ranger District, ensuring it remains passable and safe for visitors. Lost Man Loop is ideal for hikers with moderate to advanced experience looking for a longer day hike or backpacking opportunity. Visitors should come prepared with adequate water, navigation tools, and supplies for a full-day outing. Check current conditions with Pike-San Isabel National Forest before heading out, as trail conditions can vary seasonally. The South Park area offers expansive views and relatively undeveloped terrain for those seeking solitude in Colorado's high country.