Thermopolis, a Greek word for "Hot City", is located in north central Wyoming at the mouth of the Wind River Canyon, approximately 100 miles (160 km) from Yellowstone National Park. The major geothermal attraction in the area is Hot Springs State Park with the 2.7 million gallon per day (120 L/s) Big Horn Spring. Nearby is the Fountain of Youth resort using natural mineral water from the historic Sacajawea Well flowing at the rate of 1.4 million gallons per day (60 L/s)