S.D. Codified Laws § 41-9-10
No person may use a motor vehicle, as defined in subdivision 41-1-1(18), for purposes of hunting, fishing, or trapping on any land under the control of the commissioner of school and public lands on which public hunting, fishing, or trapping is authorized. No person may use a motor vehicle, for purposes of hunting, fishing, or trapping to enter onto or to cross any land under the control of the commissioner of school and public lands on which public hunting, fishing, or trapping is authorized. Any motor vehicle that is used to transport any person to any such lands for purposes of hunting, fishing, or trapping shall remain within a public right of way. Nothing in this section authorizes or prohibits hunting, fishing, or trapping in any area where those activities are otherwise authorized or prohibited. The prohibitions contained in this section do not restrict the use of motor vehicles on roads, trails, or parking areas designated and signed by the Department of Game, Fish and Parks pursuant to a management agreement with the commissioner of school and public lands. Nothing in this section prohibits using a motor vehicle on land under the control of the commissioner of school and public lands for normal lease activities by the lessee or for animal damage control activities. A violation of this section is a Class 2 misdemeanor.
SDCL 41-9-10