Colorado Revised Statutes Title 33. Parks and Wildlife § 33-14-109. Restrictions on young operators

(1) No person under the age of ten years may operate a snowmobile, except upon lands owned or leased by his parent or guardian, unless he is accompanied by or under the immediate supervision of a person sixteen years of age or over or by a person over fourteen years of age who holds a snowmobile safety certificate issued by the division for the successful completion of a snowmobile safety education and training course conducted by the division.

(2) Except when accompanied or supervised in the manner provided in subsection (1) of this section, no person ten years of age or over who has not reached his sixteenth birthday shall operate a snowmobile in this state, except upon lands of his parent or guardian, unless he has received a snowmobile safety certificate for the successful completion of a snowmobile safety education and training course conducted by the division.

(3) Any person who violates this section commits a civil infraction and, upon conviction, shall be punished by a fine of one hundred dollars.