(a) Name. The name of the viticultural area described in this section is “Pacheco Pass.”

(b) Approved maps. The appropriate maps for determining the boundaries of Pacheco Pass viticultural area are two U.S.G.S. maps. They are titled:

(1) San Felipe Quadrangle, 7.5 minute series, 1955 (photorevised 1971).

(2) Three Sisters Quadrangle, 7.5 minute series, 1954 (photorevised 1971).

(c) Boundary—(1) General. The Pacheco Pass viticultural area is located in California. The starting point of the following boundary description is the crossing of Pacheco Creek under California Highway 156, about 4 miles north of Hollister Municipal Airport, in San Benito County, California.

(2) Boundary Description. (i) From the starting point northwestward along Pacheco Creek to the intersection with the straight-line extension of Barnheisel Road. (Note. This is an old land grant boundary and appears on the U.S.G.S. map as the western boundary of an orchard.)

(ii) From there in a straight line northeastward to the intersection of Barnheisel Road and California Highway 156.

(iii) From there northward along Highway 156 to California Highway 152 (“Pacheco Pass Highway”).

(iv) Then northward along Pacheco Pass Highway to the 37° latitude line.

(v) Then eastward along that latitude line to the land line R. 5E./R. 6E.

(vi) Then southward along that land line, crossing Foothill Road, and continuing southward to a point exactly 2,300 feet south of Foothill Road.

(vii) From there is a straight line to the starting point.