ORS § 501.540
The following described land situated in Multnomah and Clackamas Counties shall be known as the Multnomah-Clackamas Wildlife Refuge: Beginning at intersection of center line of the channels of the Willamette River and Willamette slough; thence westerly along center line of channel of Willamette slough to its intersection with the south line of section 27, township 2 north, range 1 west, Willamette Meridian; thence west along south line of sections 27 and 28 to intersection with the Columbia River Highway; thence in southerly direction along Columbia River Highway to intersection with Harborton Road; thence southwesterly along Harborton Road to its intersection with Skyline Boulevard; thence southeasterly along Skyline Boulevard to its intersection with Cornell Road; thence west along Cornell Road to its intersection with the Washington-Multnomah County line; thence south and east along the Washington-Multnomah County line to the Willamette Meridian; thence south along the Willamette Meridian to section 19, township 2 south, range 1 east, Willamette Meridian; thence east along the north lines of sections 19, 20 and 21 to Stafford Road; thence east and north on Stafford Road to the west bank of the Willamette River; thence southerly along the west bank of said Willamette River to a point opposite the intersection of the east bank of the Willamette River and the north bank of the Clackamas River; thence easterly across the Willamette River to said intersection; thence easterly along the north bank of Clackamas River to a point where the east line of Ninety-second Street in the City of Portland extended southerly intersects the north bank of the Clackamas River; thence north along the southerly extension of Ninety-second Street to the point of the Multnomah and Clackamas County line, such point being at the quarter-section corner of south side of section 21, township 1 south, range 2 east, Willamette Meridian; thence east along the Multnomah County line to its intersection with Foster Road; thence northwesterly along Foster Road to the intersection of Foster Road with Jenne Road; thence northeasterly and northerly along Jenne Road to its intersection with Section Line Road; thence east along Section Line Road to its intersection with Rockwood Road; thence north along Rockwood Road to the north side of Sandy Boulevard; thence west along the north side of Sandy Boulevard to the Government Island Road; thence north along the Government Island Road to the high-water flowline of the south bank of the south channel of the Columbia River; thence westerly along high-water flowline of the waters of the Columbia River to the easterly line of the Spokane, Portland and Seattle railroad; thence south along the Spokane, Portland and Seattle railroad to the junction of the Oregon-Washington Railroad and Navigation Company right of way; thence south along the Oregon-Washington Railroad and Navigation Company right of way to the city boundaries of the City of Portland; thence westerly along the north line of the boundary of the City of Portland to the center of the channel of the Willamette River; thence in a northerly direction along the center line of the channel of the Willamette River to the point of beginning.
ORS 501.540