---
kind: "section"
citation: "27 C.F.R. § 9.149"
title: "27"
number: "9.149"
heading: "St. Helena."
url: "https://uscodex.org/cfr/27/9.149"
---

# §9.149. St. Helena.

- (a) **Name.** The name of the viticultural area described in this section is “St. Helena.”
- (b) **Approved maps.** The appropriate maps for determining the boundary of the St. Helena viticultural area are three U.S.G.S. 7.5 minute series topographical maps of the 1:24,000 scale. They are titled:
  - (1) **St.** Helena Quadrangle, California, edition of 1960, revised 1993;
  - (2) Calistoga Quadrangle, California, edition of 1958, photorevised 1980;
  - (3) **Rutherford Quadrangle, California, edition of 1951, photorevised 1968, photoinspected 1973.**
- (c) **Boundary.** The St. Helena viticultural area is located in Napa County in the State of California. The boundary is as follows:
  - (1) Beginning on the Rutherford Quadrangle map at the point of intersection between State Highway 29 and a county road shown on the map as Zinfandel Avenue, known locally as Zinfandel Lane, the boundary proceeds in a southwest direction along Zinfandel Avenue to its intersection with the north fork of Bale Slough (blueline stream) near the 201 foot elevation marker;
  - (2) Thence in a northwesterly direction approximately 2,750 feet along the north fork of Bale Slough to a point of intersection with a southwesterly straight line projection of a light duty road locally known as Inglewood Avenue;
  - (3) Thence in a straight line in a southwesterly direction along this projected extension of Inglewood Avenue approximately 2,300 feet to its intersection with the 500 foot contour line in [Section 7](/cfr/27/7.md), Township 7 North (T7N), Range 5 West (R5W);
  - (4) Thence along the 500 foot contour line in a generally northwesterly direction through Sections [7](/cfr/27/7.md), [1](/cfr/27/1.md) and [2](/cfr/27/2.md), to its intersection of the western border of [Section 2](/cfr/27/2.md), T7N, R6W;
  - (5) Thence northerly along the western border of [Section 2](/cfr/27/2.md) approximately 500 feet to its intersection with Sulphur Creek in Sulphur Canyon in the northwest corner of [Section 2](/cfr/27/2.md), T7N, R6W;
  - (6) Thence along Sulphur Creek in an easterly direction approximately 350 feet to its intersection with the 400 foot contour line;
  - (7) Thence along the 400 foot contour line in a generally easterly, then northwesterly, direction past the city of St. Helena (on the St. Helena Quadrangle map) to a point of intersection with a southwesterly straight line projection of the county road shown as Bale Lane in the Carne Humana Rancho on the Calistoga Quadrangle map;
  - (8) Thence along the projected straight line extension of Bale Lane in a northeasterly direction approximately 700 feet to the intersection of State Highway 29 and Bale Lane and continuing northeasterly along Bale Lane to its intersection with the Silverado Trail;
  - (9) Thence in a northwesterly direction along the Silverado Trail approximately 1,500 feet to an unmarked driveway on the north side of the Silverado Trail near the 275 foot elevation marker;
  - (10) Thence approximately 300 feet northeasterly along the driveway to and beyond its point of intersection with another driveway and continuing in a straight line projection to the 400 foot contour line;
  - (11) Thence in a northerly and then generally southeasterly direction along the 400 foot contour line through [Sections 10](/cfr/27/10.md) (projected), 11, 12, 13, 24 and 25 in T8N, R6W, [Section 30](/cfr/27/30.md) in T8N, R5W, Sections [25](/cfr/27/25.md) and [24](/cfr/27/24.md) in T8N, R6W, Sections [19](/cfr/27/19.md) and [30](/cfr/27/30.md) in T8N, R5W to a point of intersection with the city limits of St. Helena on the eastern boundary of [Section 30](/cfr/27/30.md) in T8N, R5W, on the St. Helena Quadrangle map;
  - (12) **Thence north, east and south along the city limits of St.** Helena to the third point of intersection with the county road known as Howell Mountain Road in [Section 29](/cfr/27/29.md), T8N, R5W;
  - (13) Thence in a northeasterly direction approximately 900 feet along Howell Mountain Road to its intersection with Conn Valley Road;
  - (14) Thence northeasterly and then southeasterly along Conn Valley Road to its intersection with the eastern boundary of [Section 28](/cfr/27/28.md), T8N, R5W;
  - (15) Thence south approximately 5,200 feet along the eastern boundary of Sections [28](/cfr/27/28.md) and [33](/cfr/27/33.md) to a point of intersection with the 380 foot contour line near the southeast corner of [Section 33](/cfr/27/33.md), T8N, R5W, on the Rutherford Quadrangle map;
  - (16) Thence in a northwesterly direction along the 380 foot contour line in [Section 33](/cfr/27/33.md) to a point of intersection with a northeasterly straight line projection of Zinfandel Avenue;
  - (17) Thence in a southwesterly direction approximately 950 feet along this straight line projection of Zinfandel Avenue to its intersection with the Silverado Trail;
  - (18) Thence continuing along Zinfandel Avenue in a southwesterly direction to its intersection with State Highway 29, the point of beginning.

## Notes

### Amendments

[T.D. ATF-366, 60 FR 47061, Sept. 11, 1995]

### Authority

Authority: 27 U.S.C. 205.

### Source

Source: T.D. ATF-60, 44 FR 56692, Oct. 2, 1979, unless otherwise noted.

### Amendments

[T.D. ATF-366, 60 FR 47061, Sept. 11, 1995]