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Understanding Wine Labels (Supplement)
American Viticultural Areas
Listed below (in Italics) are 180 separate American Viticultural Areas approved by the Alcohol and Tobacco Tax and Trade Bureau (TTB) as of March, 2007, as well as some that are proposed and pending.
If the AVA has established an association, organization, or marketing group, it is linked. The TTB web site has an Appellations of Origin page, but they are very slow in posting the latest information.

California accounts for more than 90% of all wine produced in the US and the clear majority of winegrowing appellations. Individual AVAs are listed in the left column, grouped by their general geographic area (not "official"), then by County with regional AVAs defined as they encompass portions or all of these political boundaries. The remainder of the AVAs are listed in the right column, alphabetically by state.

= Newly Approved AVA. Where known, numbers following the listings indicate the total acres included1. Federal Regulations define the area and characteristics of each area. AVAs which overlap county or state boundaries are indicated by notation within the brackets immediately following the defined AVA (italics). Smaller AVAs are grouped and nested under larger ones that encompass them. For additional information, please see Related Links at the bottom of the page.

California (103)

North Coast

AVA
DATE
ACRES
North Coast (Napa, Sonoma, Mendocino, Lake, Marin, Solano)  
Oct, 1983
3,240,108

NAPA COUNTY (16)

Atlas Peak
Feb, 1992
12,267
Calistoga
 (proposed)
 (unknown)
Chiles Valley
Apr, 1999
6,000
Diamond Mountain
July, 2001
5,000
Howell Mountain
Jan, 1984
13.061
Los Carneros (Sonoma)
Sep, 1987
37,061
Mt. Veeder
Mar, 1990
16,851
Napa Valley
Jan, 1983
225,280
Oak Knoll District
Apr, 2004
8,300
Oakville
Aug, 1983
6,768
Rutherford
Aug, 1983
6,650
St. Helena
Oct, 1995
9,257
Spring Mountain District
June, 1993
8,467
Stags Leap District
Feb, 1989
3,042
Wild Horse Valley (Solano)
Dec, 1988
3,941
Yountville
May, 1999
8,260

SONOMA COUNTY (14)

AVA
DATE
ACRES
Alexander Valley
June, 1988
32,536
Alexander Mountain  (proposed)
 (unknown)
Bennett Valley
Dec, 2003
8,140
Chalk Hill
June, 1988
22,921
Dry Creek Valley
Sep, 1983
78,387
Green Valley of Russian River Valley
Dec, 1983 /
Apr, 2007
19,010
Knights Valley
Nov, 1983
37,083
Los Carneros (Napa)
Sep, 1987
37,061
Northern Sonoma
Sep, 1986
349,837
Rockpile
Apr, 2002
15,400
Russian River Valley
Nov, 1983
126,600
Sonoma Coast (Marin)
July, 1987
516,409
Sonoma Mountain
Feb, 1985
5,757
Sonoma Valley
Jan, 1982
115,109

MENDOCINO COUNTY (9)

AVA
DATE
ACRES
Anderson Valley
Sep, 1983
58,532
Cole Ranch
May, 1983
187
Dos Rios
Nov, 2005
15,500
McDowell Valley
Feb, 1987
2,225
Mendocino
July, 1984
327,430
Mendocino Ridge
Dec, 1997
87,466
Potter Valley
Nov, 1983
28,805
Redwood Valley
Feb, 1997
32,046
Yorkville Highlands
June, 1998
40,000

LAKE COUNTY (5)

Benmore Valley
Nov, 1991
1,440
Clear Lake
June, 1984
217,328
Guenoc Valley
Dec, 1981
4,395
High Valley
Aug, 2005
14,000
Red Hills-California
Aug, 2004
31,250

SOLANO COUNTY (3)

Solano County Green Valley
Jan, 1983
17,009
Suisun Valley
Dec, 1982
19,131
Wild Horse Valley (Napa)
Dec, 1988
3,941

HUMBOLDT

Willow Creek
Sep, 1983
7,582

TRINITY COUNTY (2)

Trinity Lakes
(proposed)
96,000
Willow Creek
Sep, 1983
7,582

TOP

California - Central Coast Area (2)

AVA
DATE
ACRES
Central Coast (Alameda, Contra Costa, Monterey, San Benito, San Francisco, San Luis Obispo, San Mateo, Santa Barbara, Santa Clara, Santa Cruz)
Nov, 1985
5,463,269
San Francisco Bay (Alameda, Contra Costa, San Francisco, San Mateo, Santa Clara)
Mar, 1999
 1,566,713

ALAMEDA COUNTY

Livermore Valley
Oct, 1982
82,329

MONTEREY COUNTY (9)

Arroyo Seco
May, 1983
32,779
Carmel Valley
Jan, 1983
17,831
Chalone
July, 1982
8,671
Hames Valley
Apr, 1994
12,297
Monterey
July, 1984
597,624
"new". San Antonio Valley  June, 2006  (unknown)
San Bernabe  Aug, 2004 24,796
San Lucas
 Mar, 1987
35,362
Santa Lucia Highlands
 June, 1992
20,708

SAN BENITO COUNTY (5)

AVA
DATE
ACRES
Cienega Valley
Sep, 1982
7,080
Lime Kiln Valley
July, 1982
2,297
Mt. Harlan
Dec, 1990
7,778
Paicines
Sep. 1982
18,881
San Benito
Nov, 1987
46,634

SAN LUIS OBISPO COUNTY (4)

Arroyo Grande Valley
Feb, 1990
38,916
Edna Valley
June, 1987
28,858
Paso Robles
Nov, 1983
609,662
York Mountain
Feb, 1987
6,349
Under consideration within the large Paso Robles AVA are Adelaida District, San Miguel, and Santa Margarita Ranch.

SANTA BARBARA COUNTY (4)

Santa Maria Bench
 (proposed)
3,200
Santa Maria Valley
Sep, 1981
97,480
Sta. Rita Hills
May, 2001
30,720
Santa Ynez Valley
May, 1983
181,603

SANTA CLARA COUNTY (3)

Pacheco Pass
Apr, 1984
2,702
Santa Clara Valley
Apr, 1989
317,342
San Ysidro District
Dec, 1990
2,539

SANTA CRUZ COUNTY (2)

AVA
DATE
ACRES
Ben Lomond Mountain
Jan, 1988
38,400
Santa Cruz Mountains
Jan, 1982
408,467

California - Southern Area

South Coast
Dec, 1985
2,141,514

LOS ANGELES COUNTY

Malibu-Newton Canyon
June, 1996
957

RIVERSIDE & SAN BERNARDINO (2)

Cucamonga Valley
May, 1995
109,400
Temecula
Feb, 1986
90,249

SAN DIEGO COUNTY (2)

Ramona Valley
Jan, 2006
 89,000
San Pasqual Valley
Sep, 1981
9,205

California - Inland, Delta & Foothills

AVA
DATE
ACRES
Sierra Foothills (Yuba, Nevada, Placer, El Dorado, Amador, Calaveras, Tuolumne, Mariposa)
Dec, 1987
2,654,179

EL DORADO COUNTY (3)

California Shenandoah Valley (Amador)
Feb, 1987
13,652
El Dorado
Nov, 1983
410,115
Fair Play
Apr, 2001
21,120

AMADOR COUNTY (2)

California Shenandoah Valley (El Dorado)
Feb, 1987
13,652
Fiddletown
Nov, 1983
12,069

YUBA COUNTY

North Yuba
Aug, 1985
20,994

YOLO COUNTY (4)

Capay Valley
Apr, 2003
102,400
Clarksburg
Feb, 1984
68,101
Dunnigan Hills
June, 1993
69,354
Merritt Island
Feb, 1987
5,264

MADERA COUNTY

Madera
Jan, 1985
457,591

SACRAMENTO

AVA
DATE
ACRES
Lodi (San Joaquin)
Mar, 1986
445,320

SAN JOAQUIN (3)

Lodi (Sacramento)
Proposed Sub-appellations include Jahant District, Mokelumne River, Clements Hills, Borden Ranch, Cosumnes River, Alta Mesa and Deer Creek Hills

Mar, 1986
445,320
River Junction
July, 2001
1,300
Tracy Hills
(proposed)
39,200

SISKIYOU COUNTY

Seiad Valley
June, 1994
2,203

STANISLAUS COUNTY (2)

Diablo Grande Aug, 1998 30,000
Salado Creek Aug, 2004 2,940

Arizona

AVA
DATE
ACRES
Sonoita
Nov, 1984
208,000

Arkansas (3)

Altus
June, 1984
12800
Arkansas Mountain
Oct, 1986
2,880,000
Ozark Mountain (MO & OK)
Aug, 1986
3.520.000

Colorado (2)

Grand Valley
Dec, 2001
32,000
West Elks
May, 2001
48,000

Connecticut (2)

AVA
DATE
ACRES
Southeastern New England (RI & MA) 
Apr, 1984
1,875,200
Western Connecticut Highlands
Mar, 1988
1,004,550

Idaho

"new". Snake River Valley

Mar, 2007
5,270,000

Indiana

Ohio River Valley (KY, OH & WV)
Nov, 1983
2,236,800

Kentucky

Ohio River Valley (IN, OH & WV)
Nov, 1983
2,236,800

Louisiana

Mississippi Delta (MS & TN)
Oct, 1984
3,840,000

Maryland (3)

Catoctin
Feb, 1987
170,000
Cumberland Valley (PA)
Aug, 1985
765,000
Linganore
Sep, 1983
57,600

Massachusetts (2)

AVA
DATE
ACRES
Martha's Vineyard
Feb, 1985
64,000
Southeastern New England (RI & CT)
Apr, 1984
1,875,200
TOP

Michigan (4)

Fennville
Oct, 1981
75,000
Lake Michigan Shore
Nov, 1983
1,280,000
Leelanau Peninsula
Apr, 1982
211,200
Old Mission Peninsula
July, 1987
19,200

Minnesota

Alexandria Lakes
Aug, 2005
10,880

Mississippi

Mississippi Delta (LA & TN)
Oct, 1984
3,840,000

Missouri (4)

Augusta
Jun, 1980
(unknown)
Hermann
Feb, 1987
51,200
Ozark Mountain (OK & AR)
Aug, 1986
3,520,000
Ozark Highlands
Sep, 1984
1,280,000

New Jersey (3)

AVA
DATE
ACRES
Central Delaware Valley (PA)
Feb, 1987
96,000
"new".Outer Coastal Plain
Apr, 2007
2,250,000
Warren Hills
Sep, 1988
144,640

New Mexico (3)

Mesilla Valley (TX)
Mar, 1985
284,800
Middle Rio Grande Valley
Mar, 1988
278,400
Mimbres Valley
Dec, 1985
636,800

New York (8)

Cayuga Lake
Apr, 1986
460
Finger Lakes
Feb, 1987
8,400
Hudson River Region
July, 1982
224,000
Lake Erie (PA & OH)
Nov, 1983
2,236,800
Long Island
July, 2001
749,146
Niagara Escarpment
Oct, 2005
18,000
North Fork of Long Island
Nov, 1986
101,440
Seneca Lake
Sep, 2003
204,600
The Hamptons, Long Island
June, 1985
136,448

North Carolina

AVA
DATE
ACRES
Yadkin Valley Feb, 2003
1,231,000

Ohio (6)

Grand River Valley
Nov, 1983
125,000
Isle St. George
Sep, 1982
640
Kanawha River Valley (WV)
May, 1986
64,000
Lake Erie (NY & PA)
Nov, 1983
2,236,800
Loramie Creek
Dec, 1982
3,600
Ohio River Valley (IN, KY & WV)
Nov, 1983
2,236,800
TOP

Oklahoma (2)

AVA
DATE
ACRES
Grand Lake O' the Cherokees
(proposed)
(unknown)
Ozark Mountain (MO & AR)
Aug, 1986
3,520,000

Oregon (13)

Applegate Valley  
Dec, 2001
(unknown)
Columbia Gorge (WA) May, 2004  179,200
Columbia Valley (WA)
Feb, 1987
1,152,000
Red Hill Douglas County
Oct, 2005
5,500
Rogue Valley
Feb, 1991
 (unknown)
Umpqua Valley
Apr, 1984
  768,000
Walla Walla Valley (WA)
 Feb, 1987
 178,560

WILLAMETTE VALLEY (6)

AVA
DATE
ACRES
Chehalem Mountains
Jan, 2007
(1,600)
Dundee Hills
Jan, 2005
 6,490
McMinnville Foothills
Mar, 2005
40,450
Ribbon Ridge
Jul, 2005
3,350
Willamette Valley
Jan, 1984
3,300,000
Yamhill-Carlton District
Feb, 2005
 8,500
An AVA is under consideration for Eola Hills.

Pennsylvania (4)

Central Delaware Valley (NJ)
Feb, 1987
96,000
Cumberland Valley (MD)
 May, 2001
 765,000
Lake Erie (NY & OH)
 Nov, 1983
 2,236,800
Lancaster Valley
 Jun, 1982
 225,000

Rhode Island

Southeastern New England (MA & CT)
Apr, 1984
1,875,200

Tennessee

Mississippi Delta (MS & LA)
Oct, 1984
3,840,000

Texas (8)

AVA
DATE
ACRES
Bell Mountain
Nov, 1986
3,200
Escondido Valley
June, 1992
32,000
Fredericksburg in the Texas Hill Country
Jan, 1989
70,400
Mesilla Valley (NM)
Mar, 1985
284,800
Texoma
Jan, 2006
2,300,000
Texas Davis Mountains
May, 1998
270,000
Texas High Plains
Apr, 1993
2,000
Texas Hill Country
Dec, 1991
9,600,000

TOP

Virginia (6)

Monticello
Feb, 1984
200,000
North Fork of Roanoke
Feb, 1987
 (unknown)
Northern Neck
George Washington Birthplace
May, 1987
590,080
Rocky Knob
Feb, 1987
9,000
Shenandoah Valley (WV)
Feb, 1987
2,400,000
Virginia's Eastern Shore
Feb, 1991
436,480

Washington (9)

Columbia Gorge (OR) May, 2004 179,200
Columbia Valley (OR)
Feb, 1987
1,152,000
Horse Heaven Hills
Aug, 2005
570,000
Puget Sound
Oct, 1995
5,536,000
Rattlesnake Hills Mar, 2006
 68,500
Red Mountain
June, 2001
4,040
Wahluke Slope
Jan, 2006
 81,000
Walla Walla Valley (OR)
Feb, 1987
178,560
Yakima Valley
Oct, 1995
665,600

West Virginia (3)

Ohio River Valley (IN, KY & OH)
Feb, 1987
16,640,000
Kanawha River Valley (OH)
May, 1986
64,000
Shenandoah Valley (VA)
Feb, 1987
2,400,000
Wisconsin
Lake Wisconsin
Feb, 1994
28,000

TOP


NOTES
1 - Because the reference sources used disagree widely, acreage figures are merely estimates and should not be relied upon. Please verify and cross-reference if you are using this information for any purpose other than entertainment. BACK

RELATED LINKS
Appellation America promotes conciousness and understanding of the distinct winegrowing regions of North America. It includes detailed information on all AVAs, as well as varietals grown, maps, and associated resident and non-resident wineries and wines. HIGHLY RECOMMENDED

Complete descriptions of the geographic and topographic characteristics, the climatic influences and predominant grape varieties planted for most of these AVAs can be found on the Connoisseurs' Guide to California Wine site.

The Wine Institute offers some online pages to answer "what, where, how and why" questions about American Viticultural Areas and provide more detailed information regarding the effects on labeling regulations and restrictions.