Joshua Tree: Camping in Hidden Valley, Biking Geology Tour Road and Hiking to Skull Rock Biking, California, Camping, National Parks, Rock Climbing, adventures, usaBrittany RouilleFebruary 25, 2014best time to visit joshua tree, biking joshua tree, bouldering joshua tree, california roadtrip, geology tour road, how did joshua tree get its name, joshua tree, joshua tree lizard, joshua tree rock climbing, joshua tree wild life, skull rock, skull rock joshua tree, spotted lizard, where to camp joshua tree Comments