The most famous geyser in the park is Old Faithful Geyser. It is one of the most predictable geographical features on earth erupting almost every 91 minutes. The largest hot spring in Yellowstone and the third largest in the world is the Grand Prismatic Spring. The vivid colors in the spring are the result of pigmented bacteria that grow around the edges of the mineral-rich water. The bacteria produce colors ranging from green to red. The center of the pool is sterile due to extreme heat. In addition to all the geothermal features Yellowstone is also home to one of the finest megafauna wildlife habitats in North America. Black bears, grizzly bears, deer, elk, bison and wolves can all be found within the park borders.
Old Faithful geyser erupting, Upper Geyser Basin, Yellowstone National Park. |
Photo of
people waiting at an eruption of Old Faithful
|
The Grand Prismatic Spring |
Picture Source: Collected from Internet
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