Old Faithful erupts more frequently than any of the other big geysers, although it is not the largest or most regular geyser in the park. Its average interval between eruptions is about 76 minutes ...
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North Of Old Faithful Is A Vibrant Geyser Basin With A Unique Ecological EnvironmentFrom Old Faithful to the lesser-known (but bigger!) Steamboat Geyser in the park's Norris Geyser ... Subscribe to our free newsletter for access to the world's best-kept travel secrets.
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