{"data":{"id":"us/27-cfr-9.23","jurisdiction":"us","citation":"27 CFR 9.23","heading":"Napa Valley.","body":"(a) Name. The name of the viticultural area described in this section is “Napa Valley.”\n(b) Approved maps. The maps showing the boundaries of the Napa Valley viticultural area are the:\n(1) “Mt. St. Helena” U.S.G.S. 7.5 minute quadrangle;\n(2) “Detert Reservoir” U.S.G.S. 7.5 minute quadrangle;\n(3) “St. Helena” U.S.G.S. 15 minute quadrangle;\n(4) “Jericho Valley” U.S.G.S. 7.5 minute quadrangle;\n(5) “Lake Berryessa” U.S.G.S. 15 minute quadrangle;\n(6) “Mt. Vaca” U.S.G.S. 15 minute quadrangle;\n(7) “Cordelia” U.S.G.S. 7.5 minute quadrangle;\n(8) “Cuttings Wharf” U.S.G.S. 7.5 minute quadrangle; and\n(9) Appropriate Napa County tax assessor's maps showing the Napa County-Sonoma County line.\n(c) Boundaries. The Napa Valley viticultural area is located within Napa County, California. From the beginning point at the conjuction of the Napa County-Sonoma County line and the Napa County-Lake County line, the boundary runs along—\n(1) The Napa County-Lake County line;\n(2) Putah Creek and the western and southern shores of Lake Berryessa;\n(3) The Napa County-Solano County line; and\n(4) The Napa County-Sonoma County line to the beginning point.","path":["Title 27—Alcohol, Tobacco Products and Firearms","CHAPTER I—ALCOHOL AND TOBACCO TAX AND TRADE BUREAU, DEPARTMENT OF THE TREASURY","SUBCHAPTER A—ALCOHOL","PART 9—AMERICAN VITICULTURAL AREAS","Subpart C—Approved American Viticultural Areas"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-27.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:25:11Z","sha256":"5fef2986cc47fcfb5ce6ee2ee2ea93773a13004f56a6c0a3a8638a555f1db14a","source_id":"us-cfr","stale":true,"prev":"us/27-cfr-9.22","next":"us/27-cfr-9.24"},"notice":"GroundRules: Original legal text. Not legal advice."}