hell`s canyon oregon and idaho triangle layers of volcanic rock and limestone geologic feature horizontal

america area attraction biodiversity black blue canyon cliffs climate conservation day daylight daytime desert ecology environment forest geologic geology grasses green hell hells high history horizontal iconic idaho land landscape limestone mile national natural nature northwest oregon outdoor outdoors outside pacific point recreation river rock scene scenic sedimentary sky snake summer thetinyphotographer tourist tourists travel usa view visitors volcanic volcano wallowa water weather whitman wide wild wilderness