How deep does old faithful go down?



  1. 0 Votes

    Between 1983 and 1994, four probes containing temperature and pressure measurement devices and video equipment were lowered into Old Faithful. The probes were lowered as deep as 72 feet.

  2. 0 Votes

    Old Faithful gets its water from very deep inside the earth. Snow and rainwater reach about 10,000 feet below the earth’s surface. (There it’s heated by magma and forced up through the surface).

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