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  • How tall is old faithful
  • Old faithful geyser map.

    How long does old faithful erupt

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  • Upper Geyser Basin in Yellowstone National Park

    Old Faithful erupts more frequently than any of the other big geysers, although it is not the largest or most regular geyser in Yellowstone National Park.

    It is believed this regularity is in part due to no known connection with other hydrothermal features in the area.

    Its average interval between eruptions is about 90 minutes, varying from 50 to 127 minutes. An eruption lasts 1.5 to 5 minutes and expels 3,700–8,400 gallons (14,000–32,000 l) of boiling water, and reaches a height of 106–184 feet (30–55 m).

    Old Faithful Geyser has an average temperate of 169.7°F (76.5°C), an average pH of 9, and an average conductivity of 1972 uS/cm.

    ##View all geyser predictions

    Limited parking, especially 10 am-6 pm.

    Name Origin

    Members of the Washburn expedition of 1870 named this geyser for its consistent performance.

    Although its average interval has lengthened, Old Faithful is as spectacular as it was a century ago.

    History

    The geyser is the centerpiece of the Old Faithful Historic District. The surrounding buildings are all set back f

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