537.345. As used in sections 537.345 to 537.347, thefollowing terms mean:
(1) "Charge", the admission price or fee asked by an ownerof land or an invitation or permission without price or fee touse land for recreational purposes when such invitation orpermission is given for the purpose of sales promotion,advertising or public goodwill in fostering business purposes;
(2) "Land", all real property, land and water, and allstructures, fixtures, equipment and machinery thereon;
(3) "Owner", any individual, legal entity or governmentalagency that has any ownership or security interest whatever orlease or right of possession in land;
(4) "Recreational use", hunting, fishing, camping,picnicking, biking, nature study, winter sports, viewing orenjoying archaeological or scenic sites, or other similaractivities undertaken for recreation, exercise, education,relaxation, or pleasure on land owned by another.
(L. 1983 S.B. 162 ยง 1)(2007) Missouri Recreational Use Act does not violate equal protection by granting immunity to landowners in unincorporated but not incorporated areas or by granting immunity to landowners who open land to public at no charge but not to those who charge a fee for access. Foster v. St. Louis County, 239 S.W.3d 599 (Mo.banc).