mountains and ravines in el dorado canyon at the lake mead national park, usa

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