§ 9.31 Santa Cruz Mountains. ( a ) *Name.* The name of the viticultural area described in this section is “Santa Cruz Mountains.”
( b ) *Approved maps.* The 24 approved U.S.G.S. maps for determining the boundaries are 23 7.5 minute scale and one 5 × 11 minute scale. ( 1 ) “Ano Nuevo Quadrangle, California”;
( 2 ) “Big Basin Quadrangle, California”;
( 3 ) “Castle Rock Ridge Quadrangle, California”;
( 4 ) “Cupertino Quadrangle, California”;
( 5 ) “Davenport Quadrangle, California—Santa Cruz County”;
( 6 ) “Felton Quadrangle, California—Santa Cruz County”;
( 7 ) “Franklin Point Quadrangle, California”;
( 8 ) “Half Moon Bay Quadrangle, California—San Mateo County”;
( 9 ) “La Honda Quadrangle, California—San Mateo County”;
( 10 ) “Laurel Quadrangle, California”;
( 11 ) “Loma Prieta Quadrangle, California”;
( 12 ) “Los Gatos Quadrangle, California”;
( 13 ) “Mt. Madonna Quadrangle, California”;
( 14 ) “Mindego Hill Quadrangle, California”;
( 15 ) “Morgan Hill Quadrangle, California—Santa Clara County”;
( 16 ) “Palo Alto Quadrangle, California”;
( 17 ) “San Gregorio Quadrangle, California—San Mateo County”;
( 18 ) “San Mateo Quadrangle, California—San Mateo County”;
( 19 ) “Santa Teresa Hills Quadrangle—Santa Clara County”;
( 20 ) “Soquel Quadrangle, California—Santa Cruz County”;
( 21 ) “Watsonville East Quadrangle, California”;
( 22 ) “Watsonville West Quadrangle, California”;
( 23 ) “Woodside Quadrangle, California—San Mateo County”; and
( 24 ) One 5 × 11 minute series map entitled: “Santa Cruz, California.”
( c ) *Boundaries.* The Santa Cruz Mountains viticultural area is located in portions of San Mateo, Santa Clara, and Santa Cruz Counties, California. ( 1 ) From the beginning point where Highway 92 and the 400-foot contour line intersect (Half Moon Bay Quadrangle), the boundary line follows Highway 92, beginning in a southeasterly direction, to a point where Highway 92 and the 400-foot contour line intersect (San Mateo Quadrangle);
( 2 ) Thence along the 400-foot contour line, beginning in a southeasterly direction, to a point where the 400-foot contour line and Canada Road intersect (Woodside Quadrangle);
( 3 ) Thence along Canada Road, beginning in a southerly direction, to a point where Canada Road and Highway 280 intersect (Woodside Quadrangle);
( 4 ) Thence along Highway 280, beginning in a southeasterly direction, to a point where Highway 280 and 84 intersect (Palo Alto Quadrangle);
( 5 ) Thence along Highway 84, beginning in a southwesterly direction, to a point where Highway 84 and Mountain Home Road intersect (Woodside Quadrangle);
( 6 ) Thence along Mountain Home Road, beginning in a southerly direction, to a point where Mountain Home Road and Portola Road intersect (Palo Alto Quadrangle);
( 7 ) Thence along Portola Road, beginning in a westerly direction, to a point where Portola Road and Highway 84 intersect (Woodside Quadrangle);
( 8 ) Thence along Highway 84, beginning in a southwesterly direction, to a point where Highway 84 and the 600-foot contour line intersect (Woodside Quadrangle);
( 9 ) Thence along the 600-foot contour line, beginning in a northeasterly direction, to a point where the 600-foot contour line and Regnart Road intersect (Cupertino Quadrangle);
( 10 ) Thence along Regnart Road, beginning in a northeasterly direction, to a point where Regnart Road and the 400-foot contour line intersect (Cupertino Quadrangle);
( 11 ) Thence along the 400-foot contour line, beginning in a southerly direction, to a point where the 400-foot contour line and the north section line of Section 35, T. 6 S./R. 2 W, intersect (Cupertino Quadrangle);
( 12 ) Thence along the north section line of Sections 35 and 36, in an easterly direction, to a point where the section line and Highway 85 intersect (Cupertino Quadrangle);
( 13 ) Thence along Highway 85, in a southerly direction, to a point where Highway 85 and the southern section line of Section 36 intersect (Cupertino Quadrangle);
( 14 ) Thence along the section line, in a westerly direction, to a point where the section line and the 600-foot contour line intersect (Cupertino Quadrangle);
( 15 ) Thence along the 600-foot contour line, beginning in a southerly direction, to a point where the 600-foot contour line and Pierce Road intersect (Cupertino Quadrangle);
( 16 ) Thence along Pierce Road, in a southerly direction, to a point where Pierce Road and the 800-foot contour line intersect (Cupertino Quadrangle);
( 17 ) Thence along the 800-foot line, beginning in a northwesterly direction, to a point where the 800-foot contour line and the east section line of Section 25, T. 10 S./R. 2 E., intersect (Mt. Madonna Quadrangle);
( 18 ) Thence along the east section line, in a southerly direction, to a point where this section line and the 800-foot contour line intersect (Mt. Madonna Quadrangle);
( 19 ) Thence along the 800-foot contour line, beginning in a southeasterly direction, to a point where the 800-foot contour line and Highway 152 intersect (Watsonville East Quadrangle);
( 20 ) Thence along Highway 152, in a southwesterly direction, to a point where Highway 152 and the 400-foot contour line intersect (Watsonville East Quadrangle);
( 21 ) Thence along the 400-foot contour line, beginning in a northwesterly direction, to a point where the 400-foot contour line and the Felton Empire Road intersect (Felton Quadrangle);
( 22 ) Thence along Felton Empire Road, in an easterly direction, to a point where Felton Empire Road and Highway 9 intersect (Felton Quadrangle);
( 23 ) Thence along Highway 9, in a southerly direction, to a point where Highway 9 and Bull Creek intersect (Felton Quadrangle);
( 24 ) Thence along Bull Creek, beginning in a southwesterly direction, to a point where Bull Creek and the 400-foot contour line intersect (Felton Quadrangle); and
( 25 ) Thence along the 400-foot contour line, beginning in a southeasterly direction, back to the point of beginning.
[T.D. ATF-98, 46 FR 59240, Dec. 4, 1981]