Emerald Pool photos


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Categories  >  Location  >  Protected Threatened And Significant Places  >  National Parks  >  Yellowstone National Park (Wyoming)  >  Geothermal Features  >  Spring  >  Emerald Pool   >   

Emerald Pool, Black Sand Basin, Yellowstone National Park, Wyoming A visitor photographs Emerald Pool, Black Sand Basin, Yellowstone National Park, Wyoming Emerald Pool, Black Sand Basin, Yellowstone National Park, Wyoming Emerald Pools vibrant colors are caused by themophilic (heat-loving) cyanobacteria and algae.  As the temperature of the pool decreases towards its edges, the colors tend to oranges and yellow.  Black Sand Basin, Yellowstone National Park, Wyoming

Updated: October 30, 2020