9.74—Columbia Valley.
(b) Approved maps.
The approved maps for determining the boundary of the Columbia Valley viticultural area are nine 1:250,000 scale U.S.G.S. maps. They are entitled:
(c) Boundaries.
The Columbia Valley viticultural area is located in Adams, Benton, Chelan, Columbia, Douglas, Ferry, Franklin, Garfield, Grant, Kittitas, Klickitat, Lincoln, Okanogan, Stevens, Walla Walla, Whitman, and Yakima Counties, Washington, and in Gilliman, Morrow, Sherman, Umatilla, and Wasco Counties, Oregon. The beginning point is found on “The Dalles” U.S.G.S. map at the confluence of the Klickitat and Columbia Rivers:
(1)
Then north and east following the Klickitat and Little Klickitat Rivers to U.S. Highway 97 northeast of Goldendale;
(3)
Then west following the Toppenish Ridge, across unnamed mountains of 2,172′ and 2,363′ elevation, to the peak of Toppenish Mountain, elevation 3,609′;
(4)
Then northwest in a straight line for approximately 11.3 miles to the intersection of Agency Creek with the township line between R. 15 E. and R. 16 E.;
(7)
Then east in a straight line for approximately 15.3 miles to the intersection of the 46°45′ latitude line with the Yakima River;
(8)
Then north following the Yakima River to the confluence with the North Branch Canal approximately one mile northwest of Throp;
(9)
Then north, east, and southeast following the North Branch Canal to its intersection with U.S. Interstate 90 in Johnson Canyon;
(11)
Then north following the Columbia River to the township line between T. 21 N. and T. 22 N. immediately north of the Rock Island Dam;
(12)
Then west following the township line between T. 21 N. and T. 22 N. for approximately 7.1 miles (from the west shore of the Columbia River) to the 2,000′ contour line immediately west of Squilchuck Creek;
(13)
Then north and west following the 2,000′ contour line to the township line between R. 18 E. and R. 19 E. west of the landing area at Cashmere-Dryden;
(14)
Then north following the township line between R. 18 E. and R. 19 E. for approximately 4.4 miles to the 2,000′ contour line in Ollala Canyon;
(15)
Then east, north, and northwest following the 2,000′ contour line to the township line between R. 19 E. and R. 20 E. immediately west of Ardenoir;
(16)
Then north following the township line between R. 19 E. and R. 20 E for approximately 2.8 miles to the 2,000′ contour line immediately north of the secondary road;
(17)
Then southwest and north following the 2,000′ contour line to the township line between T. 28 N. and T. 29 N.;
(18)
Then east following the township line between T. 28 N. and T. 29 N. for approximately 2.1 miles to the 2,000′ contour line immediately east of Lake Chelan;
(19)
Then southeast and north following the 2,000′ contour line (beginning in the “Wenatchee” U.S.G.S. map, passing through the “Ritzville” and “Okanogan” maps, and ending in the “Concrete” map) to the point where the 2,000′ contour line intersects the township line between T. 30 N. and T. 31 N. immediately west of Methow;
(20)
Then east following the township line between T. 30 N. and T. 31 N. for approximately 20.2 miles to the 2,000′ contour line east of Monse;
(21)
Then south and east following the 2,000′ contour line to the township line between T. 30 N. and T. 31 N. west of Alkali Lake;
(22)
Then northeast in a straight line for approximately 10.7 miles to the point of intersection of the 2,000′ contour line with Coyote Creek;
(23)
Then east, north, south, east, and north following the 2,000′ contour line to the township line between T. 29 N. and T. 30 N. immediately west of the Sanpoil River;
(24)
Then east following the township line between T. 29 N. and T. 30 N. for approximately 2.3 miles to the 2,000′ contour line immediately east of the Sanpoil River;
(25)
Then south, east, and north following the 2,000′ contour line to the township line between T. 29 N. and T 30 N. at Ninemile Flat;
(26)
Then east following the township line between T. 29 N. and T. 30 N. for approximately 10.7 miles to the township line between R. 36 E. and R. 37 E.;
(27)
Then south following the township line between R. 36 N. and R. 37 E. to the township line between T. 26 N. and T. 27 N.;
(30)
Then west and south following U.S. Highway 2 and Washington Highway 17 to the intersection with Washington Highway 28 in Soap Lake;
(31)
Then southeast in a straight line for approximately 4.7 miles to the source of Rocky Ford Creek near a fish hatchery;
(32)
Then south following Rocky Ford Creek and Moses Lake to U.S. Interstate 90 southwest of the town of Moses Lake;
(33)
Then east following U.S. Interstate 90 to the Burlington Northern (Northern Pacific) Railroad right-of-way at Raugust Station;
(34)
Then south following the Burlington Northern (Northern Pacific) Railroad right-of-way to Washington Highway 260 in Connell;
(35)
Then east following Washington Highway 260 through Kahlotus to the intersection with Washington Highway 26 in Washtucna;
(36)
Then east following Washington Highways 26 and 127 through La Crosse and Dusty to the intersection with U.S. Highway 195 at Colfax;
(38)
Then south following the Washington-Idaho State boundary to the Snake River and continuing along the Snake River to the confluence with Asotin Creek;
(39)
Then west following Asotin Creek and Charley Creek to the township line between R. 42 E. and R. 43 E.;
(40)
Then north following the township line between R. 42 E. and R. 43 E. to Washington Highway 128 in Peola;
(41)
Then north following Washington Highway 128 to the intersection with U.S. Highway 12 in Pomeroy;
(42)
Then west following U.S. Highway 12 for approximately 5 miles to the intersection with Washington Highway 126 [in Zumwalt];
(43)
Then southwest following Washington Highway 126 and U.S. Highway 12 through Marengo, Dayton, and Waitsburg to a point where an unnamed light-duty road leaves Highway 12 in an easterly direction in Minnick Station, Washington;
(44)
Then east following the unnamed light-duty road for approximately 250 feet until it reaches the 2000′ contour line;
(45)
Then south and southwest following the 2000′ contour line to the place where it crosses Oregon Highway 74 in Windmill, Oregon;
(48)
Then northwest following Oregon Highway 206 to the intersection with the township line between T. 1 S. and T. 2 S.;
(51)
Then west following the Willamette Base Line to the township line between R. 12 E. and R. 13 E.;
(53)
Then west following the Columbia River to the confluence with the Klickitat River and the point of beginning.