This study found that snowmobilers from outside Valley County, Idaho are an important source of revenue during the winter months, spending an average of three days per trip and $106 per day. This revenue stream is highly susceptible to weather, with visits dropping 40 percent in a low snow year.
Larsen, R., S. Hines, and G. Taylor. 2006. The Economic Impact of Snowmobiling in Valley County. University of Idaho College of Agricultural and Life Sciences Bulletin 844.