Zimmerman Trail is a hiking and horse trail in Larimer County, Colorado. It is within Comanche Peak Wilderness Area and Roosevelt National Forest. It is 11.3 miles long and begins at 11,171 feet altitude. Traveling the entire trail is 22.7 miles with a total elevation gain of 5,006 feet. The cabin, and cabin and the Zimmerman Trailhead parking can be seen along the trail. The trail ends near the USFS boundary - end of trail information.