Still water on Mirror Lake , on the valley floor, acts as a nearly perfect reflector of the glacier-sculpted rocky ridge in the background. Mirror Lake is all that remains of a much larger, glacial melt-water lake that once filled much of Yosemite Valley . Photos taken on June 11, 2015.

Photo Details: Seven photos (left to right to create the panorama); 24mm; f/16; 0.3 seconds exposure; ISO 100.



