Emerald Pool Photo

The Emerald Pool forms in the Merced River just above Vernal Falls. Unfortunately, a few careless hikers have tried swimming in Emerald Pool only to be swept downstream and plunge over Vernals Falls to their deaths. Yosemite National Park, Spring.
Location: Vernal Falls, Yosemite National Park, California
Image ID: 09205  

Emerald Pool.
Location: Black Sand Basin, Yellowstone National Park, Wyoming
Image ID: 13507  

A visitor photographs Emerald Pool.
Location: Black Sand Basin, Yellowstone National Park, Wyoming
Image ID: 13508  

Emerald Pool.
Location: Black Sand Basin, Yellowstone National Park, Wyoming
Image ID: 13509  

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.
Location: Black Sand Basin, Yellowstone National Park, Wyoming
Image ID: 07302  

The Emerald Pool forms in the Merced River just above Vernal Falls. Unfortunately, a few careless hikers have tried swimming in Emerald Pool only to be swept downstream and plunge over Vernals Falls to their deaths.
Location: Vernal Falls, Yosemite National Park, California
Image ID: 09199  

The Merced River tumbles over the Silver Apron into Emerald Pool, just above Vernal Falls. Unfortunately, a few careless hikers have tried swimming in Emerald Pool only to be swept downstream and plunge over Vernals Falls to their deaths. Yosemite National Park, Spring.
Location: Vernal Falls, Yosemite National Park, California
Image ID: 09202  

The Emerald Pool forms in the Merced River just above Vernal Falls. Unfortunately, a few careless hikers have tried swimming in Emerald Pool only to be swept downstream and plunge over Vernals Falls to their deaths. Yosemite National Park, Spring.
Location: Vernal Falls, Yosemite National Park, California
Image ID: 09204