Yellowstone National Park Sights

Biscuit Basin

  • Grand Loop Rd. Map It
  • Old Faithful
  • Geological Site

Updated 11/25/2013

Fodor's Review

North of Old Faithful, this basin is also the trailhead for the Mystic Falls Trail. The namesake "biscuit" formations were reduced to crumbs when Sapphire Pool erupted after the 1959 Hebgen Lake earthquake. Now, Sapphire is a calm, beautiful blue pool again, but that could change at any moment.

Sight Information


Grand Loop Rd., 3 mi north of Old Faithful, Yellowstone National Park, Wyoming, United States

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Updated 11/25/2013


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