Coal Creek Trail is a hiking, biking, and horse trail in Boulder County and Weld County, Colorado. It is 14.3 miles long and begins at 5,348 feet altitude. Traveling the entire trail is 0.0 miles with a total elevation gain of 0 feet. Near the trailhead there are parkings. Coal Creek Open Space Trailhead and other parkings, the Dog Beach beach, the Dog Park Pond water, and the Standard Mine (elevation 5,141 feet) quarry can be seen along the trail. There are also trees, a bench, a viewpoint, and a shelter along the trail.