<a href="https://en.wikipedia.org/wiki/Cascade_Canyon" class="extiw" title="en:Cascade Canyon">Cascade Canyon</a> in <a href="https://en.wikipedia.org/wiki/Grand_Teton_National_Park" class="extiw" title="en:Grand Teton National Park">Grand Teton National Park</a>
National Park Service
<a rel="nofollow" class="external text" href="http://www.nps.gov/archive/grte/galleries/gallery_new%20photos.htm">main page</a> and linked directly from <a rel="nofollow" class="external text" href="http://www.nps.gov/archive/grte/galleries/Summer%202005/Cascade%20Canyon%20Viewpoint,%20June%2015,%202005.JPG">this page</a>. The image was cropped and slightly enhanced from public domain source.