red sandstone mountains at the guardian angel trail in red rock canyon national conservation, nv usa

angel area basin blue boulders calico canyon clear cliffs climbing colorful conservat conservation danger desert dry environment fault feature features flora formation formations geological geology guardian hiking indigenous keystone landscape las layers mojave mountain mountains national nature nevada outdoors panorama park parks peaks practicing red repelling reserve rock rocks rugged sandstone sates semidesert sky state terrain territory thrust trail united usa valley vegas wilderness wilson