Discover the Trails Less Traveled

Get out of your comfort zone and discover new trails in Colorado with the free Colorado Trail Explorer (COTREX) app and website, developed by the Colorado Department of Natural Resources and Colorado Parks and Wildlife. COTREX gives hikers, bikers, horse riders and motorized riders information about 2,350 trailheads, including trail conditions, points of interest, species, historic places and more. For more information, visit or download the app on your electronic device.