the rugged mountains of the mcdowell mountain range viewed from arizona highway sr87

rugged mountains mcdowell mountain range viewed arizona highway sr87 phoenix town payson northern boulder creek cacti cactus duthiemartin beeline hwy north ram valley rincon pass sr 87 sycamore tonto national forest us united sates activities boulders desert dry ecological ecology environment flora geology hiking trails landmark landscape natural nature reserve outdoors park ridge rock layers rocks saguaro semidesert spectacular views usa wilderness winter