Irwin Lake

Managing agency

Routt NF — Hahns Peak/Bears Ears RD

Irwin Lake is a 6.1-mile out-and-back trail located in Colorado near the town of Colorado, within Routt National Forest's Hahns Peak/Bears Ears Ranger District. This trail provides access to Irwin Lake, making it a popular destination for hikers seeking alpine scenery in northern Colorado's backcountry. The out-and-back format means hikers will cover approximately 3 miles each direction to reach the lake, allowing flexibility in how far visitors wish to venture. The trail is maintained by the Hahns Peak/Bears Ears Ranger District, part of Routt National Forest, which manages recreational access throughout this region. Hikers should contact the Hahns Peak/Bears Ears Ranger District or check current trail conditions before heading out, as mountain trails in this area can be affected by weather and seasonal changes. The trail offers a moderately accessible option for those exploring Routt National Forest's high country destinations. This is an excellent choice for day hikes in Colorado's northwestern mountains, providing a straightforward route to alpine lake scenery.