S.D. Codified Laws § 32-14-9.1
Operation of vehicles on private land prohibited without consent of owner or lessee--Snowmobile use on public right-of-way excepted--Misdemeanor
No person shall operate any vehicle, including, but not limited to, snowmobiles, motorcycles, and all - terrain vehicles, upon any private land without permission from the owner or lessee of such land. The provisions of this section shall not apply to a vehicle used on a highway or other public right - of - way in accordance with the provisions of chapter 32-20A . A violation of this section is a Class 2 misdemeanor.
Source: SL 1973, ch 217, §§ 1 to 3; SDCL Supp, § 32-14-9.2 .