Yellowstone National Park - Geysers
June 22nd 2017 The most famous geyser in Yellowstone is Old Faithful. Most geysers erupt unpredictability but Old Faithful erupts approx. every 90 mins (give or take 10 mins). An eruption can last up to 5 mins and expels up to 8,400 gallons of boiling water and reaches a height of 184 feet. We saw Old Faithful erupt at 8am. There was lots of steam with this eruption. Later that afternoon we returned to see it a
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