ORS § 509.365
No person shall fish for or take, by the use of any type of net, any salmon within the waters of the Pacific Ocean, over which this state has jurisdiction, lying westerly of the following described line: Commencing at the point of intersection of the California-Oregon state boundary with the Pacific Ocean high water mark shoreline; thence northerly along such high water mark shoreline, including extensions thereof across the waters of the bays or tidal areas of streams emptying into the Pacific Ocean, to the mouth of the Columbia River; thence northerly across the waters of the Columbia River along the line designating and defining the mouth of such river under ORS 511.130 (1961 Replacement Part) to the point of intersection of such line with the Oregon-Washington state boundary.
ORS 509.365