Preview trail Signs mark the turn into the Butterfly Trailhead on the up-mountain side of the Highway. Our friends, Michael and Diane, frequently camp and hike on Mt. All copy and images contained in this website are the property of AZ Utopia. Take Catalina Highway (Mount Lemmon Highway) for 24 miles to the Lower Bigelow Trailhead on the right side of the road, just before the Palisades Ranger Station. Friday with Friends & Molino Basin to Prison Camp . //