colorful mountains along the cottonwood basin of the colorado river in el dorado canyon.

165 activities area ari arizona basin border boulders cacti cactus canyon climbing clouds colorado colorful cottonwood 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 peak recreation reserve ridge river road rock rocks rugged sates semidesert sky terrain territory trails united usa valley washington wilderness