a rocky mountainside in the desert of saguaro national park filled with a large variety of cacti on the bajada wash trail

saguaro national park tucson mountain district arizona usa botany nature cacti vegetation outdoors spring landscape desert tourism travel adventure vacation sight solitude peaceful creosote bushes hiking harsh environment ecosystem rugged mountains bucket list west america rocky top blue sky wispy clouds bajada wash trail carnegiea gigantea ocotilla fouquieria splendens prickly pear opuntia cholla boulders mountainside filled large variety