Saturday, February 22, 2020

CYW 262 Upper Geyser Basin

The Upper Geyser Basin (where Old Faithful is located) is Yellowstone's largest geyser basin and in fact, the world's largest single concentration of hot springs and occupies about one square mile.  The Upper Geyser Basin contains several groups of hot springs, including over 150 geysers.  The basin is less than a half-mile wide and most of its geothermal features are situated within a few hundred feet of the Firehole River.
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