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West Yellowstone, Montana
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Located near the more famous Old Faithful, Sponge Geyser is a small but active geyser that erupts sporadically, offering a quieter viewing experience.
The geyser gets its name from the porous, sponge-like appearance of the sinter deposits surrounding its vent.
While it usually erupts to a height of a few feet, the intensity and frequency of its eruptions can change, making each visit unique.
The area around the geyser supports a variety of thermophilic organisms, which thrive in the hot, mineral-rich waters.
This basin is home to the largest concentration of geysers in the world, including the famous Old Faithful.
