Gibbon Falls

Historical marker location:

Yellowstone National Park, Wyoming

( Marker is on Lower Grand Loop Road (U.S. 89), on the right when traveling north.)

Wyoming is home to the world's largest mineral hot spring, located in Thermopolis. The hot spring is named "The Big Spring" and produces over 3.6 million gallons of mineral water per day. The water is known for its healing properties and is used for therapeutic purposes.