Grand Prismatic Spring can be difficult to see on a windy day
Steaming spring water entering the Firehole River.
Opal Pool.
Microbial mats surrounding Grand Prismatic Spring.
Grand Prismatic Spring steaming.
Breaks in the wind let you see the rainbow colors.
Close-up of the spring.
Another angle on the spring.
Excelsior Geyser Crater.
Deep blue in Excelsior Geyser Crater.
Denis LeBlanc
Photo Date: 
06/21/2017
Grand Prismatic Spring, Yellowstone National Park.
Denis LeBlanc
Photo Date: 
06/21/2017
Grand Prismatic Spring, Yellowstone National Park.