The Grand Prismatic Spring in Yellowstone National Park stands as the largest hot spring in the United States and the third largest globally. This natural marvel measures approximately 370 feet (113 meters) in diameter and over 121 feet (37 meters) deep. The spring is renowned for its striking color palette, featuring a vivid blue center surrounded by rings of green, yellow, orange, and red. These colors are created by microbial mats that thrive in the mineral-rich water, varying seasonally with the fluctuating temperatures.
Located in the Midway Geyser Basin, the Grand Prismatic Spring outputs an estimated 560 gallons (about 2,100 liters) of boiling water per minute, contributing to the mystic steam that rises from its surface, especially noticeable in cooler temperatures.
The heat of the water can reach up to 160 degrees Fahrenheit (70 degrees Celsius), underscoring the intense geothermal activity beneath Yellowstone.
This breathtaking feature is not only a magnet for photographers and nature lovers but also provides insights into geothermal processes and the robust ecosystems that can thrive in extreme environments. It draws millions of visitors each year, making it a highlight among Yellowstone’s many geological attractions.
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