Gill Reservoir

Managing agency

Forest Service

Gill Reservoir is a 10.7-mile out-and-back trail located in Colorado near the town of Colorado, within the Arapaho-Roosevelt National Forest under management by the Canyon Lakes Ranger District. This moderately distant hike takes visitors through diverse forest terrain to a scenic reservoir destination, making it ideal for hikers seeking a full day of hiking with a clear turnaround point. The out-and-back format allows hikers to set their own pace and choose their turning point based on fitness level and time availability. Located within the Arapaho-Roosevelt National Forest, the trail offers access to the natural landscapes and water features characteristic of Colorado's high country. The Arapaho-Roosevelt National Forest encompasses diverse ecosystems, and trails in the Canyon Lakes area are popular for their recreational opportunities and scenic views. This trail suits hikers with moderate experience and stamina for a longer day hike. For current conditions, trail closures, or detailed information about seasonal access, contact the Canyon Lakes Ranger District of the Arapaho-Roosevelt National Forest directly.