n 128th street to the trailhead tom`s thumb trailhead in the mcdowell mountain range

128th activities arizona boulders cacti cactus climbing clouds county desert dry environment feature flora forest formations geology happy hiking landmark landscape layers maricopa mcdowell monzogranite mountain mountains nature outdoors park peak phoenix preserve range reserve ridge road rock rocks rugged sates scottsdale semidesert shrubs sky sonaran spectacular street thumb toms trailhead trails united usa valley views wilderness winter