OR Rev Stat § 201.260 (2021)
2021 Oregon Revised Statutes|Volume : 06 - Local Government, Public Employees, Elections|Chapter 201 - Boundaries of Counties|Section 201.260 - Multnomah County.

The boundary of Multnomah County is as follows: (1) Beginning at a point on the boundary of the state on the half-section line running east and west through the center of section 23, township 3 north, range 1 west, Willamette Meridian; thence running westerly along the half-section line through the center of section 23 to the intersection with the section line running north and south between sections 22 and 23; thence southerly along the section line to the intersection with the section line running east and west that divides sections 23 and 26; thence westerly along the section line to a point in the middle of the second range of townships west of the Willamette Meridian; thence southerly six miles along the section lines to the southwest corner of section 22, township 2 north, range 2 west; thence along section lines one mile east by one mile south, alternately, to the northwest corner of section 22, township 1 north, range 1 west; thence southerly one-half mile along the section line to the half-section line running east and west through section 22; thence easterly along the half-section line of section 22 and the north line of Bonny Slope, a subdivision in the Multnomah County Plat Records, S 88°26"12’ E 215.30 feet, more or less, to the easterly right-of-way of Northwest 124th Avenue at a point 25.00 feet easterly of the centerline of Northwest 124th Avenue, when measured at a right angle to the centerline; thence along the easterly right-of-way of Northwest 124th Avenue, being on a line parallel with and 25.00 feet easterly of the centerline of Northwest 124th Avenue, when measured at right angles to the centerline, N 02°11"48’ E 180.00 feet, more or less, to the northwest corner of the real property described in Book 600, Page 1653, of the Multnomah County Deed Records; thence along the north line of the real property described in Book 600, Page 1653, S 88°26"12’ E 374.00 feet, more or less, to the northeast corner of the real property; thence along the east line of the real property described in Book 600, Page 1653, S 02°11"48’ W 180.00 feet, more or less, to the half-section line running east and west in section 22 at a point on the southeast corner of the real property and the northeast corner of Lot 19 of Bonny Slope, a subdivision in the Multnomah County Plat Records; thence along the half-section line of section 22, and the north line of Bonny Slope, S 88°26"12’ E 1812.29 feet, more or less, to the northeast corner of the real property described in Deed Document 94-055215 of the Multnomah County Deed Records; thence along the east line of the real property described in Deed Document 94-055215, S 02°11"48’ W 611.94 feet, more or less, to the northerly right-of-way of Multnomah County Road No. 1218 (Northwest Laidlaw Road), at a point 25.00 feet northerly of the centerline of Multnomah County Road No. 1218, when measured at a right angle to the centerline; thence along the northerly and easterly right-of-way of Multnomah County Road No. 1218, as shown on the map of Multnomah County Road No. 1218, map D15/13, Multnomah County Road Records, and being parallel with and 25.00 feet northerly and easterly of the centerline of Multnomah County Road No. 1218, when measured at a right angle to the centerline, the following seven courses: on a 216.00-foot radius, nontangent curve to the right through a central angle of 37°06"53’ (chord bears S 16°50"16’ E 137.49 feet) 139.92 feet, more or less, to the end of the 216.00-foot radius, nontangent curve and a point of tangency at station 38+57.80 25.00 feet right; thence S 01°43"10’ W 575.23 feet, more or less, to station 32+82.57 25.00 feet right and the beginning of a 195.40-foot radius curve to the left; thence on the 195.40-foot radius curve to the left through a central angle of 43°31"00’ (chord bears S 20°02"20’ E 144.87 feet) 148.41 feet, more or less, to the end of the 195.40-foot radius curve and a point of tangency at station 31+15.20 25.00 feet right; thence S 41°47"50’ E 728.26 feet, more or less, to station 23+86.94 25.00 feet right and the beginning of a 179.60-foot radius curve to the left; thence on the 179.60-foot radius curve to the left through a central angle of 33°17"00’ (chord bears S 58°26"20’ E 102.87 feet) 104.33 feet, more or less, to the end of the 179.60-foot radius curve and a point of tangency at station 22+68.07 25.00 feet right; thence S 75°04"50’ E 180.48 feet, more or less, to station 20+87.59 25.00 feet right and the beginning of a 179.60-foot radius curve to the left; thence on the 179.60-foot radius curve to the left through a central angle of 23°58"00’ (chord bears S 87°03"50’ E 74.58 feet) 75.13 feet, more or less, to the end of the 179.60-foot radius curve and a point of tangency at station 20+02.00 25.00 feet right; thence leaving the northerly right-of-way of Multnomah County Road No. 1218 radial to the centerline of Multnomah County Road No. 1218, S 09°02"50’ E 25.00 feet, more or less, to centerline station 20+02.00 as shown on the map of Multnomah County Road No. 1218, map D15/13, Multnomah County Road Records; thence S 37°08"10’ E 43.84 feet, more or less, to the southerly right-of-way of Multnomah County Road No. 1218 at a point 25.00 feet southerly of the centerline of Multnomah County Road No. 1218, when measured at a right angle to the centerline, and the easterly right-of-way of Northwest Marcotte Road, as dedicated in the Map of Replat of Lots 4 & 5 Bonny Slope, a subdivision in the Multnomah County Plat Records, and being at a point 25.00 feet easterly of the centerline of Northwest Marcotte Road, when measured at a right angle to the centerline; thence along the easterly and southerly right-of-way of Northwest Marcotte Road, being parallel with and 25.00 feet easterly and southerly of the centerline of Northwest Marcotte Road, when measured at a right angle to the centerline, the following five courses: S 03°21"32’ W 59.58 feet, more or less, to the beginning of a 125.00-foot radius curve to the right; thence along the 125.00-foot radius curve to the right through a central angle of 105°00"00’ (chord bears S 55°51"32’ W 198.34 feet) 229.07 feet, more or less, to the end of the 125.00-foot radius curve and a point of tangency; thence N 71°38"28’ W 233.12 feet, more or less, to the beginning of a 104.76-foot radius curve to the left; thence along the 104.76-foot radius curve to the left through a central angle of 78°38"00’ (chord bears S 69°02"32’ W 132.75 feet) 143.77 feet, more or less, to the end of the 104.76-foot radius curve and a point of tangency; thence S 29°43"32’ W 403.77 feet, more or less, to the section line between section 22 and section 27, township 1 north, range 1 west, at a point S 88°09"28’ E 28.28 feet, more or less, from the half-section line running north and south through section 22; thence easterly along the section line to the southeast corner of section 22; thence one mile south and one mile east, alternately, by section lines to the Willamette Meridian; thence south by the meridian line to the township line between townships 1 and 2 south of the base line; thence east by the township line to the middle of the Willamette River; thence down the middle of the Willamette River to the section line between sections 23 and 26, township 1 south, range 1 east; thence east on section lines to the western boundary of Hood River County, as described in ORS 201.140; thence northerly along such county boundary to the boundary of the state; thence westerly along the boundary of the state to the place of beginning. (2) Commencing at a point at the quarter post between sections 23 and 26, township 1 south, range 1 east; thence east to the east line of the city of Sellwood; thence south along the east line of the city of Sellwood to the southeast corner of the city; thence west and westerly along the south line of the city to the center of the Willamette River; thence down the center of the river to the line between sections 22 and 27, township 1 south, range 1 east; thence east along the line between sections 22, 27, 23 and 26 to the place of beginning. [Amended by 1967 c.421 §193; 2013 c.326 §3]