It's the Law—Quick Reference

Operation Guide for Snowmobiles

• Snowmobiles must have and display a valid DNR registration decal to ride on any public property.
• A person shall not operate a snowmobile upon roadways or highways (including the ditch area) except as provided in Iowa Code Chapter 321G.9 or on a designated and signed trail approved by the county board of supervisors.
• The following age restrictions apply to persons operating a snowmobile on public property.
  • Persons under 12 must be accompanied by a qualified person riding on the same snowmobile.
  • Persons 12 to 15 must have a valid safety certificate and be under the direct supervision of a qualified person.
  • Persons 16 to 17 may operate unsupervised but must have a valid safety certificate.
  • Persons 18 and older may operate without a safety certificate.
• Riding is prohibited:
  • On public land without a measurable snow cover
  • In or on any park or fish and game areas, except on designated snowmobile trails
  • In any tree nursery or planting in a manner that damages or destroys growing stock
• Careless, reckless, or negligent operation is prohibited.
• Speed greater than that which is reasonable or proper under all existing circumstances is prohibited.
• Riding while under the influence of intoxicating liquor or narcotics is prohibited.
• Snowmobiles may not exceed an engine noise limit above 86 decibels measured at a distance of 50 feet.