Monument Geyser Basin
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Geothermal //
This small, nearly dormant basin lies at the top of a very steep one-mile trail. Thermos-bottle shaped geyser cones are remnants of a much more active time.
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Old Faithful Web Cam
Intervals between eruptions range 35 min - 2 hours. Watch the crowd ebb and flow. She is about to blow when the crowd grows.
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