rugged mountains along highway sr 165 into the el dorado canyon at lake mead recreational are, usa

165 activities are area arizona border boulders cacti cactus canyon climbing clouds colorado colorful desert dorado dry eagle eldorado environment feature formation formations geological geology highway indiginous lake landscape layers mead mohave mountain mountains national nature nelson nevada outdoors panorama park peak recreation recreational reserve ridge river road rock rocks rugged sates semidesert sky terrain territory trails united usa valley washington wilderness