Excelsior Geyser, now dormant, was formerly the worlds largest geyser. It still produces immense runoff into the Firehole River: 4,500 gallons per minute, or 6 million gallons per day. It is located in Midway Geyser Basin. Yellowstone National Park, Wyoming, USA
Location: Midway Geyser Basin
, Yellowstone National Park
Image ID: 07261
Format: Digital 3:2
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