Arizona Hiking Trails - Hike of the Month - www.arizonahighways.com The Brittlebush starts on a desert flat, also called a creosote flat because of its vegetative preponderance of creosote bushes, and heads north toward a jumble of ridgelines that juts from the desert floor. Just past mile 2, the route transitions from old roadway into a wide wash between low-rising... arizhwys.com