senior woman hiker enjoying the view of the valley of the sun and the mcdowell mountain range viewed from the tom`s thumb trail

activities arizona boulders cacti cactus climbing county desert dry enjoying environment feature flora forest formations geology happy hiker hiking landmark landscape layers maricopa mcdowell monzogranite mountain mountains nature outdoors park peak phoenix preserve range reserve ridge road rock rocks rocky rugged saguaro sates scottsdale semidesert senior sky sonaran spectacular sun thumb toms trail trails united usa valley view viewed views wilderness winter woman