Natural wonder · United States
Grand Prismatic Spring
Largest hot spring in the United States
About Grand Prismatic Spring
The Grand Prismatic Spring is the largest hot spring in the Yellowstone National Park, and the third largest in the world, after Frying Pan Lake in New Zealand and Boiling Lake in Dominica. It is located in the Midway Geyser Basin. Grand Prismatic Spring was noted by geologists working in the Hayden Geological Survey of 1871, and named by them for its striking coloration. Its colors match most of those seen in the rainbow: red, orange, yellow, green, and blue.
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Best time to visit
Midday highs, based on last year's weather. Green months have comfortable temperatures and few rainy days.
On the map
Famous places nearby
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Questions about Grand Prismatic Spring
Where is Grand Prismatic Spring?
Grand Prismatic Spring is in United States. The nearest city is Rexburg, about 109 km away.
How can I plan a trip to Grand Prismatic Spring?
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