Desolation Trail to Valley Overlook Length: 4.8 mile round trip Difficulty: Moderate Description: Hike through forest and along open hillsides to a vista overlooking Salt Lake Valley. Trailhead is in Mill Creek Canyon, just past Millcreek Inn (about 3.4 miles from the canyon mouth). The trailhead parking lot is signed and has a restroom. Desolation Trailhead