Photographs of Upper Geyser Basin, Yellowstone National Park
Wyoming > Yellowstone National Park > The Southwest > Upper Geyser Basin > Map and Tour > Photographs
Ear Spring is one of the hottest pools on Geyser Hill, containing permanently seething water at or even above boiling point. The ear-shaped pool is enclosed by a slightly raised sinter rim, and the clear water constantly overflows, running southwards along colorful channels lined by orange cyanobacteria. The pool has been known to erupt to a height of 2 feet, but only one or two times each decade.
Back to map of the Upper Geyser Basin
Back to map of the Upper Geyser Basin
Keywords: Yellowstone National Park, Upper Geyser Basin, Wyoming, steam, thermal features, geysers, hot springs, hot pools, boiling water
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