(a) Name. The name of the viticultural area described in this section is “El Pomar District.” For purposes of part 4 of this chapter, “El Pomar District” is a term of viticultural significance.

(b) Approved maps. The two United States Geological Survey (USGS) 1:24,000 scale topographic maps used to determine the boundary of the El Pomar District viticultural area are titled:

(1) Templeton, Calif., 1948, photorevised 1979; and

(2) Creston, Calif., 1948, photorevised 1980.

(c) Boundary. The El Pomar District viticultural area is located in San Luis Obispo County, California. The boundary of the El Pomar District viticultural area is as described below:

(1) The beginning point is on the southeastern portion of the Templeton map at the intersection of State Route 41 and an unnamed light-duty road locally known as Homestead Road, east-northeast of Atascadero within the Asuncion Land Grant. From the beginning point, proceed north-northwesterly on Homestead Road approximately 1.1 miles to the road's intersection with an unnamed light-duty road locally known as South El Pomar Road, Asuncion Land Grant; then

(2) Proceed north-northwesterly in a straight line approximately 0.8 mile to the 1,452-foot elevation point, and continue north-northwesterly in a straight line approximately 0.3 mile to an unnamed peak above the 1,440-foot elevation line (marked on the map by a triangle), Asuncion Land Grant; then

(3) Proceed northeasterly in a straight line approximately 0.3 mile to the 1,344-foot elevation point, Asuncion Land Grant; then

(4) Proceed northerly in a series of straight lines, totaling approximately 1.4 miles, through the 1,338-foot and 1,329-foot elevation points to the intersection of two unnamed light-duty roads locally known as El Pomar Drive and Hollyhock Lane in the Santa Ysabel Land Grant, T27S/R12E; then

(5) Proceed north-northwesterly on Hollyhock Lane approximately 1 mile to the road's intersection with an unnamed light-duty road locally known as Neal Springs Road, Santa Ysabel Land Grant; then

(6) Proceed west on Neal Springs Road approximately 0.4 mile to the road's intersection with an unnamed light-duty road locally known as South River Road, Santa Ysabel Land Grant; then

(7) Proceed northwesterly and then northerly on South River Road approximately 2.8 miles to the road's intersection with an unnamed light-duty road locally known as Charolais Road (0.1 mile north of a marked windmill), Santa Ysabel Land Grant; then

(8) Proceed east-southeasterly on Charolais Road approximately 1.4 miles to the road's intersection with an unnamed light-duty road locally known as Creston Road, Santa Ysabel Land Grant; then

(9) Proceed north and then west-northwesterly on Creston Road approximately 1.9 miles to the road's intersection with a marked telephone line (approximately 1.3 miles due east of U.S. Route 101) in the Santa Ysabel Land Grant, T26/R12E; then

(10) Proceed easterly in a straight line approximately 2 miles, crossing onto the Creston map, to the line's intersection with the point where the R12E/R13E common boundary line crosses Huerhuero Creek, western boundary line of section 31, T26S/R13E; then

(11) Proceed southeasterly (upstream) along Huerhuero Creek approximately 2.4 miles to the creek's first confluence with an unnamed intermittent stream in the northwest quadrant of section 8, T27S/R13E; then

(12) Proceed southeasterly in a straight line approximately 1.4 miles to the 1,255-foot elevation point in the northwest quadrant of section 16, T27S/R13E; then

(13) Proceed easterly in a straight line approximately 0.75 mile to an unnamed peak above the 1,380-foot elevation line (marked on the map with a triangle), section 16, T27S/R13E; then

(14) Proceed east-southeasterly in a straight line approximately 0.6 mile to the 1,342-foot elevation point in section 15, T27S/R13E, and then continue east-southeasterly in a straight line approximately 0.6 mile to the northern end of a marked, unnamed light-duty road (locally known as a private driveway located approximately 430 feet east of Old Ford Road), section 15, T27S/R13E; then

(15) Proceed south on the marked, unnamed light-duty road (locally known as a private driveway located approximately 430 feet east of Old Ford Road) approximately 0.3 mile to the road's intersection with an unnamed light-duty road locally known as Creston Road, section 15, T27S/R13E; then

(16) Proceed east on Creston Road approximately 0.2 mile to the road's intersection with northeast corner of section 22, T27S/R13E; then

(17) Proceed southerly in a straight line approximately 1.2 miles to the 1,142 elevation point in the Huerhuero Land Grant (0.1 mile south of a pipe line), T27S/R13E; then

(18) Proceed southwesterly in a straight line approximately 0.75 mile to BM 1052 located at the intersection of two unnamed light-duty roads locally known locally as El Pomar Drive and Cripple Creek Road, section 27, T27S/R13E; then

(19) Proceed south on Cripple Creek Road approximately 1.0 mile to the road's eastern-most intersection with State Route 41, section 34, T27S/R13E; then

(20) Proceed southwesterly on State Route 41 approximately 0.5 mile to the marked 1,128-foot elevation point, section 3, T28S/R13E; then

(21) Proceed south-southwesterly in a straight line approximately 1.1 miles to the southeast corner of section 4, T28S/R13E; then

(22) Proceed east along the southern boundary of section 4 approximately 0.75 mile to the section line's intersection with State Route 41; then

(23) Proceed southwesterly on State Route 41 approximately 4.5 miles, crossing onto the Templeton map and returning to the beginning point.