The Cole Ranch AVA is an American Viticultural Area

American Viticultural Area

An American Viticultural Area is a designated wine grape-growing region in the United States distinguishable by geographic features, with boundaries defined by the Alcohol and Tobacco Tax and Trade Bureau , United States Department of the Treasury....

 located in Mendocino County, California

Mendocino County, California

Mendocino County is a county located on the north coast of the U.S. state of California, north of the greater San Francisco Bay Area and west of the Central Valley. As of the 2010 census, the population was 87,841, up from 86,265 at the 2000 census...

. At less than a quarter of a square mile, it is the smallest appellation

Appellation

An appellation is a legally defined and protected geographical indication used to identify where the grapes for a wine were grown; other types of food often have appellations as well...

 in the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. The AVA is located between the Russian River

Russian River (California)

The Russian River, a southward-flowing river, drains of Sonoma and Mendocino counties in Northern California. With an annual average discharge of approximately , it is the second largest river flowing through the nine county Greater San Francisco Bay Area with a mainstem 110 miles ...

 and Anderson Valley

Anderson Valley

Anderson Valley is a sparsely populated region in western Mendocino County in Northern California. Located approximately 100 miles north of San Francisco, the name "Anderson Valley" applies broadly to several rural, unincorporated communities in or near the alluvial terraces along Anderson Creek...

. All planted land in the appellation is owned by one winery, Esterlina Winery, though some of the grapes are sold to other wineries. Cabernet Sauvignon

Cabernet Sauvignon

Cabernet Sauvignon is one of the world's most widely recognized red wine grape varieties. It is grown in nearly every major wine producing country among a diverse spectrum of climates from Canada's Okanagan Valley to Lebanon's Beqaa Valley...

, Merlot

Merlot

Merlot is a darkly blue-coloured wine grape, that is used as both a blending grape and for varietal wines. The name Merlot is thought to derive from the Old French word for young blackbird, merlot, a diminutive of merle, the blackbird , probably from the color of the grape. Merlot-based wines...

 and Riesling

Riesling

Riesling is a white grape variety which originated in the Rhine region of Germany. Riesling is an aromatic grape variety displaying flowery, almost perfumed, aromas as well as high acidity. It is used to make dry, semi-sweet, sweet and sparkling white wines. Riesling wines are usually varietally...

 are the most popular planting. Cole Ranch is located within three larger appellations - Mendocino AVA

Mendocino AVA

The Mendocino AVA is an American Viticultural Area located in Mendocino County, California. Within this larger appellation are several smaller AVAs, and applications are pending with the United States Department of the Treasury Alcohol and Tobacco Tax and Trade Bureau to create new AVAs out of the...

, Mendocino County

Mendocino County wine

The Mendocino County wine is an appellation that designates wine made from grapes grown mostly in Mendocino County, California. The region is part of the larger North Coast AVA and one of California's largest and most climatically diverse wine growing regions...

, and the North Coast AVA

North Coast AVA

The North Coast AVA is an American Viticultural Area in the state of California that encompasses grape-growing regions in six counties located north of San Francisco: Lake, Marin, Mendocino, Napa, Sonoma, and Solano...

.