camelback mountain and papago buttes with saguaro cactus

wilderness mountain landscape rock valley geology nature hill tree terrain ridge cliff trail canyon adventure camelback papago buttes sahguaro cactus saguro saguaro butte park phoenix arizona holes voids tafone formed arkosic conglomeretic sandstone formations midcenozoic debrisflow breccia overlying precambrian granite area popular urban hiking scenic views colorful variations tempe scottsdale peak background palo verde palm trees desert vegetation location cloudy sky overcast morning erosion carnegiea gigantea camelhead formation orange red sahuaro spear