ORS 368.021: County authority over trails.

(1) A county governing body has the same jurisdiction over trails as it has over local access roads.

      (2) This section applies to trails that:

      (a) Are easements over land or by watercourse that are not part of a road right of way;

      (b) Provide certain forms of ingress to or egress from land or water or permit travel between places;

      (c) Do not provide vehicle access of the type provided by a road; and

      (d) Are not under the jurisdiction of a state or federal agency.