Anaerobic Nightmare

Managing agency

Pike-San Isabel NF — South Park RD

Anaerobic Nightmare is a 1.5-mile out-and-back trail located in Colorado near Colorado Springs, managed by Pike-San Isabel National Forest's South Park Ranger District. This short but intense route offers a challenging hiking experience in the southern Colorado region. The trail's demanding nature is reflected in its name, making it suitable for hikers seeking a strenuous workout in a compact distance. Despite its brevity, the route packs significant physical challenge that appeals to those looking for high-intensity mountain training. The out-and-back format allows hikers to cover just under 3 miles total when including the return journey. Located within Pike-San Isabel National Forest, the trail provides access to the diverse landscapes and ecosystems of the South Park area. This region is known for its scenic mountain terrain and recreational opportunities. The trail's specific elevation profile and difficulty ratings make it ideal for hikers with fitness and experience, particularly those interested in high-altitude or steep-gradient hiking. Hikers planning to visit should check current conditions with the South Park Ranger District and come prepared for a strenuous outing.