The Jahant 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 within the Lodi AVA

Lodi AVA

Lodi AVA is an American Viticultural Area located in the Central Valley of California, at the northern edge of the San Joaquin Valley east of San Francisco Bay. The AVA gained approval as a designated wine growing area in 1986 and includes of which are currently planted with wine grapes...

. Most of the AVA is located within San Joaquin County

San Joaquin County, California

San Joaquin County is a county located in Central Valley of the U.S. state of California, just east of the San Francisco Bay Area. As of the 2010 census, the population was 685,306. The county seat is Stockton.-History:...

, California

California

California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

, with a small part in Sacramento County

Sacramento County, California

Sacramento County is a county in the U.S. state of California. Its county seat is Sacramento, which is also the state capital. As of 2010 the county had a population of 1,418,788....

. At 28000 acres (11,331 ha), Jahant is the smallest of the Lodi sub-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...

s. The area is known for its distinctive pink colored Rocklin-Jahant loam soil with the AVA's boundaries being delineated by the extent and reaches of the soil. This low lying AVA is affected by its close proximately to the Mokelumne River

Mokelumne River

The Mokelumne River is a river in Northern California. The Upper Mokelumne River originates in the Sierra Nevada mountain range and flows into Pardee Reservoir and then Camanche Reservoir in the Sierra foothills. The Lower Mokelumne River refers to the portion of the river below Camanche Dam...

 and the Sacramento-San Joaquin River Delta which keeps the climate cool and dry.