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Yellowstone National Park Sights

Sulphur Caldron

  • Geological Site

Updated 11/25/2013

Fodor's Review

You can smell the sulfur before you even leave your vehicle to walk to the overlook of Sulphur Caldron, where hissing steam escapes from a moonscape like surface as superheated bubbling mud.

Sight Information


9½ mi south of Canyon; 4½ mi north of Fishing Bridge on Grand Loop Rd., Yellowstone National Park, Wyoming, United States

Updated 11/25/2013


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