Threemile

Threemile is a 14.3-mile out-and-back trail located in Colorado near the town of Colorado, within the San Juan National Forest under the management of the Mancos-Dolores Ranger District. This trail offers a substantial day hike or backpacking option for visitors to the area seeking to explore the San Juan range. The out-and-back format means hikers will travel to a destination point before retracing their steps, allowing flexibility in how far you venture depending on your fitness level and available time. The trail is maintained by the Mancos-Dolores Ranger District, part of the larger San Juan National Forest system. Before heading out, check with the Mancos-Dolores Ranger District for current trail conditions, any seasonal closures, and weather forecasts. Given the elevation and distance, bring adequate water, navigation tools, and supplies. The San Juan National Forest provides excellent opportunities for experiencing Colorado's high country and diverse ecosystems. This trail serves as a gateway to exploring the natural features protected within the national forest.