Calistoga AVA
The Calistoga AVA was established on 7 December, 2009. It is located in the northern portion of California's Napa Valley AVA.
The appellation is distinguished by its volcanic soil, high temperatures up to 100 °F during the day, and cool nights during the growing season due to breezes from the Russian River, causing the highest diurnal temperature variation in the Napa Valley—up to 50 °F
Despite sharing a name, the Calistoga AVA does not encompass the entirety of the town of Calistoga. The area is noted for its topographical diversity and uniform geology, with bedrock almost exclusively made through volcanic action. The hot days provide color and flavor in the wines, while the cool nights help to maintain acidity and structure.
The appellation abuts the Diamond Mountain District AVA to the south and west, the Saint Helena AVA to the southeast, and the Howell Mountain AVA is a short way to the east.
The name Calistoga dates back to 1857, with the first vine plantings in 1862. Viticultural and winery census data from 1880 list Calistoga as a distinct region separate from Napa.
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“In wine, there’s truth.”