26.30.040 Trespass.
(1) A person commits the offense of trespass by knowingly or purposely and without express or implied privilege:
(a) Entering or remaining in an unoccupied structure;
(b) Entering or remaining in or upon the premises of another;
(c) Entering any vehicle or any part thereof;
(d) Allowing livestock to occupy or graze on the cultivated or enclosed land of another; or
(e) Entering onto the Cowlitz Reservation after having been excluded from the Reservation.
(2) A privilege to enter may be extended:
(a) By explicit invitation, license, or permission from the landowner or any other authorized person;
(b) By a landowner’s failure to give notice that the lands are restricted; or
(c) By law.
(3) Access to Tribal lands, waters, and natural resources by persons who are not Tribal members is restricted as provided by Tribal and Federal law. Tribal members crossing Reservation lands in order to exercise hunting and fishing rights retained by treaty do so with privilege.
(4) Notice restricting entry onto non-Tribal lands must be placed on a post, structure, or natural object by marking it with written notice or with not less than 50 square inches of fluorescent orange paint, except that when metal posts are used the top one-third of the post must be painted. Notice must be placed at all normal points of access to the property. A privilege to enter may be revoked at any time by personal communication of notice by the landowner or other authorized person to the entering person.
(5) Trespass is a Class C offense.