Quartz Trail Overview Quartz Trail is a classic Scottsdale hike in the McDowell Sonoran Preserve, known for gleaming quartz outcrops, saguaro covered slopes, and wide views of the McDowell Mountains and city skyline. You can start from Lost Dog Wash Trailhead or the Quartz Trailhead and link easy singletrack with a short, steep spur to … Continue reading Hike Quartz Trail: McDowell Sonoran Preserve