Spirit Mountain Caverns, formerly known as Frost Cave and Shoshone Caverns, is located on Cedar Mountain near Cody, Wyoming. It is one of the major caves of Wyoming and of the northern Rocky Mountain region of the United States. The cave is of state and regional significance for three reasons: (1.) it is a large cave with a lateral development of nearly a mile of passages and a vertical development of about 350 feet, (2.) the cave contains significant geologic features, (3.) the cave provides significant opportunities for educational and recreational use.