The Midway Spa and Utah Crater is North Americas ONLY YEAR ROUND Natural Hot Spring and Spa where the temperature is 94F. It allows for Guests to Swim and Soak while relaxing in the Natural Indoor Crater first discovered by the local Indians years ago. It is not volcanic in nature. It is a geothermal hot spring that formed over thousands of years. The water source is 2 miles down. This is truely a unique and fun experience that should NOT be missed.